12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
41st
899th
Arrows
ASCII Table
Christmas Trees
Collatz
Diamonds
Divisors
48th
Emirp Numbers
Emojify
20th
155th
Evil Numbers (Long)
Fizz Buzz
33rd
477th
Foo Fizz Buzz Bar
ISBN
Morse Decoder
22nd
204th
Niven Numbers (Long)
Ordinal Numbers
43rd
Prime Numbers
Quine
Sierpiński Triangle