130 results (0.52 seconds)
++ed by:
Kevin Ryde
Modules
Math::NumSeq - number sequences
Math::NumSeq::Abundant - abundant numbers, greater than sum of divisors
Math::NumSeq::AlgebraicContinued - continued fraction expansion of algebraic numbers
Math::NumSeq::All - all integers
Math::NumSeq::AllDigits - digits of the integers
Math::NumSeq::AllPrimeFactors - prime factors of the integers
Math::NumSeq::AlmostPrimes - semiprimes and other fixed number of prime factors
Math::NumSeq::AsciiSelf - sequence is its own ASCII digits
Math::NumSeq::BalancedBinary - balanced 1,0 bits
Math::NumSeq::Base::IterateIth - iterate by calling ith() successively
Math::NumSeq::Base::IteratePred - iterate by searching with pred()
Math::NumSeq::BaumSweet - Baum-Sweet sequence
Math::NumSeq::Beastly - numbers containing digits "666"
Math::NumSeq::Catalan - Catalan numbers (2n)! / (n!*(n+1)!)
Math::NumSeq::CollatzSteps - steps in the "3n+1" problem
Math::NumSeq::ConcatNumbers - concatenate digits of i, i+1
Math::NumSeq::Cubes - cubes i**3
Math::NumSeq::CullenNumbers - Cullen numbers i*2^i+1
Math::NumSeq::DedekindPsiCumulative - cumulative Psi function
Math::NumSeq::DedekindPsiSteps - psi function until 2^x*3^y
Math::NumSeq::DeletablePrimes - primes deleting a digit repeatedly
Math::NumSeq::DigitCount - count of a given digit
Math::NumSeq::DigitCountHigh - count of given high digits
Math::NumSeq::DigitCountLow - count of given low digits
Math::NumSeq::DigitLength - length in digits
Math::NumSeq::DigitLengthCumulative - total length in digits of numbers 1 to i
Math::NumSeq::DigitProduct - product of digits
Math::NumSeq::DigitProductSteps - multiplicative persistence and digital root
Math::NumSeq::DigitSum - sum of digits, possibly with powering
Math::NumSeq::DigitSumModulo - digit sum taken modulo a given modulus
Math::NumSeq::DivisorCount - how many divisors
Math::NumSeq::DuffinianNumbers - no common factor with sum of divisors
Math::NumSeq::Emirps - primes backwards and forwards
Math::NumSeq::ErdosSelfridgeClass - Erdos-Selfridge classification of primes
Math::NumSeq::Even - even integers
Math::NumSeq::Expression - mathematical expression values
Math::NumSeq::Factorials - factorials i! = 1*2*...*i
Math::NumSeq::Fibbinary - without consecutive 1-bits
Math::NumSeq::FibbinaryBitCount - number of bits in each fibbinary number
Math::NumSeq::Fibonacci - Fibonacci numbers
Math::NumSeq::FibonacciRepresentations - count of representations by sum of Fibonacci numbers
Math::NumSeq::FibonacciWord - 0/1 related to Fibonacci numbers
Math::NumSeq::File - sequence read from a file
Math::NumSeq::FractionDigits - the digits of a fraction p/q
Math::NumSeq::GolayRudinShapiro - parity of adjacent 11 bit pairs
Math::NumSeq::GolayRudinShapiroCumulative - cumulative Golay/RudinShapiro sequence
Math::NumSeq::GoldbachCount - number of representations as sum of primes P+Q
Math::NumSeq::GolombSequence - sequence is its own run lengths, 1 upwards
Math::NumSeq::HafermanCarpet - bits of the Haferman carpet
Math::NumSeq::HappyNumbers - reaching 1 under repeated sum of squares of digits
Math::NumSeq::HappySteps - number of sum of squares of digits iterations to reach a repeat
Math::NumSeq::HarshadNumbers - numbers divisible by sum of digits
Math::NumSeq::HofstadterFigure - sequence excludes its own first differences
Math::NumSeq::JugglerSteps - steps in the juggler sqrt sequence
Math::NumSeq::KlarnerRado - Klarner-Rado sequences
Math::NumSeq::Kolakoski - sequence of 1s and 2s its own run lengths
Math::NumSeq::LemoineCount - number of representations as P+2*Q for primes P,Q
Math::NumSeq::LiouvilleFunction - Liouville function sequence
Math::NumSeq::LucasNumbers - Lucas numbers
Math::NumSeq::LuckyNumbers - sieved out multiples by the sequence itself
Math::NumSeq::MaxDigitCount - maximum count of a given digit in any radix
Math::NumSeq::MephistoWaltz - Mephisto waltz sequence
Math::NumSeq::MobiusFunction - Mobius function sequence
Math::NumSeq::Modulo - remainders modulo of a given number
Math::NumSeq::MoranNumbers - numbers divided by sum of digits giving a prime
Math::NumSeq::Multiples - multiples of a given number
Math::NumSeq::NumAronson - numerical version of Aronson's sequence
Math::NumSeq::OEIS - number sequence by OEIS A-number
Math::NumSeq::OEIS::Catalogue - available A-numbers
Math::NumSeq::OEIS::Catalogue::Plugin - pluggable catalogue extensions
Math::NumSeq::Odd - odd integers
Math::NumSeq::Palindromes - palindrome numbers like 15351
Math::NumSeq::Pell - Pell numbers
Math::NumSeq::Perrin - Perrin sequence
Math::NumSeq::PisanoPeriod - cycle length of Fibonacci numbers mod i
Math::NumSeq::PisanoPeriodSteps - Fibonacci frequency and Leonardo logarithm
Math::NumSeq::PolignacObstinate - odd integers not prime+2^k
Math::NumSeq::Polygonal - polygonal numbers, triangular, square, pentagonal, etc
Math::NumSeq::PowerFlip - prime exponent flip
Math::NumSeq::PowerPart - largest square root etc divisor
Math::NumSeq::Powerful - numbers with certain prime powers
Math::NumSeq::PrimeFactorCount - how many prime factors
Math::NumSeq::PrimeIndexOrder - order of primeness by primes at prime indexes
Math::NumSeq::PrimeIndexPrimes - primes with prime number indexes
Math::NumSeq::Primes - prime numbers
Math::NumSeq::Primorials - primorials 2*3*...*p[i]
Math::NumSeq::Pronic - pronic numbers
Math::NumSeq::ProthNumbers - Proth number sequence
Math::NumSeq::PythagoreanHypots - hypotenuses of Pythagorean triples
Math::NumSeq::RadixConversion - radix conversion
Math::NumSeq::RadixWithoutDigit - integers without a given digit
Math::NumSeq::ReReplace - sequence of repeated replacements
Math::NumSeq::ReRound - sequence from repeated rounding up
Math::NumSeq::RepdigitAny - numbers which are a repdigit in any radix
Math::NumSeq::RepdigitRadix - radix in which i is a repdigit
Math::NumSeq::Repdigits - repdigits 11, 22, 33, etc
Math::NumSeq::ReverseAdd - steps of the reverse-add algorithm
Math::NumSeq::ReverseAddSteps - steps of the reverse-add algorithm to reach palindrome
Math::NumSeq::Runs - runs of consecutive integers
Math::NumSeq::SelfLengthCumulative - cumulative digit length of own values
Math::NumSeq::SophieGermainPrimes - Sophie Germain primes p and 2*p+1 prime
Math::NumSeq::SpiroFibonacci - recurrence around a square spiral
Math::NumSeq::SqrtContinued - continued fraction expansion of a square root
Math::NumSeq::SqrtContinuedPeriod - period of the continued fraction for sqrt(i)
Math::NumSeq::SqrtDigits - the digits of a square root
Math::NumSeq::SqrtEngel - Engel expansion of a square root
Math::NumSeq::Squares - perfect squares
Math::NumSeq::StarNumbers - star numbers 6*i*(i-1)+1
Math::NumSeq::SternDiatomic - Stern's diatomic sequence
Math::NumSeq::Tetrahedral - tetrahedral numbers i*(i+1)*(i+2)/6
Math::NumSeq::Totient - Euler's totient function, count of coprimes
Math::NumSeq::TotientCumulative - cumulative totients
Math::NumSeq::TotientPerfect - sum of repeated totients is N itself
Math::NumSeq::TotientSteps - count of repeated totients to reach 1
Math::NumSeq::TotientStepsSum - sum of repeated totients to reach 1
Math::NumSeq::Triangular - triangular numbers
Math::NumSeq::Tribonacci - Tribonacci numbers
Math::NumSeq::TwinPrimes - twin primes
Math::NumSeq::UlamSequence - integers uniquely the sum of two previous terms
Math::NumSeq::UndulatingNumbers - numbers with alternating digits ABABAB...
Math::NumSeq::WoodallNumbers - Woodall numbers i*2^i-1
Math::NumSeq::Xenodromes - integers with all digits unique
Provides
Math::NumSeq::Base::Array in lib/Math/NumSeq/Base/Array.pm
Math::NumSeq::Base::Cache in lib/Math/NumSeq/Base/Cache.pm
Math::NumSeq::Base::Digits in lib/Math/NumSeq/Base/Digits.pm
Math::NumSeq::Base::Sparse in lib/Math/NumSeq/Base/Sparse.pm
Math::NumSeq::Expression::LanguageExpr in lib/Math/NumSeq/Expression.pm
Math::NumSeq::OEIS::Catalogue::Plugin::BuiltinTable in lib/Math/NumSeq/OEIS/Catalogue/Plugin/BuiltinTable.pm
Math::NumSeq::OEIS::Catalogue::Plugin::FractionDigits in lib/Math/NumSeq/OEIS/Catalogue/Plugin/FractionDigits.pm
Math::NumSeq::OEIS::Catalogue::Plugin::ZZ_Files in lib/Math/NumSeq/OEIS/Catalogue/Plugin/ZZ_Files.pm
Math::NumSeq::OEIS::File in lib/Math/NumSeq/OEIS/File.pm



Hosting generously
sponsored by Bytemark