12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
2,995th
497th
Abundant Numbers (Long)
Arabic to Roman
brainfuck
Catalan Numbers
Christmas Trees
Collatz
Diamonds
Divisors
3,971st
210th
Emirp Numbers
2,157th
693rd
Emirp Numbers (Long)
Evil Numbers
3,039th
862nd
Evil Numbers (Long)
Fibonacci
Fizz Buzz
4,275th
3,711th
Foo Fizz Buzz Bar
Fractions
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Inventory Sequence
ISBN
Kolakoski Sequence
Leap Years
Leyland Numbers
Look and Say
Lucky Numbers
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Quine
Recamán
Reverse Polish Notation
Sierpiński Triangle
Smith Numbers
Tongue-twisters
Vampire Numbers
Van Eck Sequence