12 Days of Christmas
543
99 Bottles of Beer
235
Abundant Numbers
703
Catalan Numbers
330
Catalan’s Constant
69
Christmas Trees
518
Collatz
463
CSS Colors
179
Diamonds
348
Divisors
859
Emojify
294
Evil Numbers (Long)
752
Fizz Buzz
973
Foo Fizz Buzz Bar
855627
Fractions
437
Leap Years
682
Ordinal Numbers
677
Prime Numbers
632
Prime Numbers (Long)
647
Tongue-twisters
677