12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
ASCII Table
brainfuck
Card Number Validation
Christmas Trees
Collatz
Day of Week
Divisors
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
41st
49th
74th
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Kaprekar Numbers
Kolakoski Constant
Leap Years
Niven Numbers
Odious Numbers
Ordinal Numbers
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Quine
Roman to Arabic
Seven Segment
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
γ
λ
π
φ