12 Days of Christmas
555
99 Bottles of Beer
235
Abundant Numbers
707
Catalan Numbers
332
Catalanβs Constant
69
Christmas Trees
521
Collatz
500
CSS Colors
179
Diamonds
351
Divisors
863
Emojify
294
Evil Numbers (Long)
754
Fizz Buzz
977
Foo Fizz Buzz Bar
860630
Fractions
437
Leap Years
683
Ordinal Numbers
686
Prime Numbers
633
Prime Numbers (Long)
648
Tongue-twisters
679