12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
42nd
905th
Arrows
ASCII Table
Christmas Trees
Collatz
Diamonds
Divisors
49th
Emirp Numbers
Emojify
20th
89th
Evil Numbers (Long)
Fizz Buzz
33rd
520th
Foo Fizz Buzz Bar
ISBN
Morse Decoder
22nd
207th
Niven Numbers (Long)
Ordinal Numbers
43rd
Prime Numbers
Quine
Sierpiński Triangle