Modules
number sequences
all integers
Baum-Sweet sequence
numbers containing digits "666"
steps in the "3n+1" problem
cubes i^3
Cullen numbers i*2^i+1
count of a given digit
length in digits
total length in digits of 1 to i
product of digits
sum of digits, possibly with powering
digit sum taken modulo a given modulus
primes backwards and forwards
even integers
mathematical expression values
factorials 1*2*...*i
without consecutive 1 bits
Fibonacci numbers
the digits of a fraction p/q
reaching 1 under repeated sum of squares of digits
harshad or Niven numbers
Lucas numbers
Mobius function sequence
numerical version of Aronson's sequence
number sequence by OEIS A-number
available A-numbers
pluggable catalogue extensions
odd integers
palindrome numbers like 15351
Pell numbers
polygonal numbers, triangular, square, pentagonal, etc
how many prime factors
prime numbers
primorials 2*3*...*p[i]
pronic numbers
Proth number sequence
integers without a given digit
repdigits 11, 22, 33, etc
steps of the reverse-add algorithm
Sophie Germain primes p and 2*p+1 prime
the digits of a square root
perfect squares
star numbers 6*i*(i-1)+1
Stern's diatomic sequence
tetrahedral numbers i*(i+1)*(i+2)/6
triangular numbers
Tribonacci numbers
twin primes
Woodall numbers i*2^i-1
Provides
in lib/Math/NumSeq/Base/Array.pm
in lib/Math/NumSeq/Base/Digits.pm
in lib/Math/NumSeq/Base/IterateIth.pm
in lib/Math/NumSeq/Base/IteratePred.pm
in lib/Math/NumSeq/Base/Sparse.pm
in lib/Math/NumSeq/Expression.pm
in lib/Math/NumSeq/File.pm
in lib/Math/NumSeq/OEIS/Catalogue/Plugin/BuiltinTable.pm
in lib/Math/NumSeq/OEIS/Catalogue/Plugin/FractionDigits.pm
in lib/Math/NumSeq/OEIS/Catalogue/Plugin/ZZ_Files.pm
in lib/Math/NumSeq/OEIS/File.pm