12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
473rd
Abundant Numbers (Long)
Arabic to Roman
Arrows
brainfuck
Catalan Numbers
Christmas Trees
Collatz
Diamonds
Divisors
Emirp Numbers
910th
Emojify
Evil Numbers
2,103rd
Fibonacci
6,425th4,613th5,179th7,348th1,072nd
Fizz Buzz
6,065th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
1,903rd
Happy Numbers (Long)
ISBN
Kolakoski Sequence
Leap Years
2,249th
Levenshtein Distance
Leyland Numbers
Look and Say
Niven Numbers
2,644th
Niven Numbers (Long)
Odious Numbers
1,975th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
1,956th
Prime Numbers
1,955th
Prime Numbers (Long)
Quine
Recamán
868th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Smith Numbers
Spelling Numbers
Tongue-twisters
Vampire Numbers
Van Eck Sequence
π