12 Days of Christmas
534
99 Bottles of Beer
234
Abundant Numbers
703
Catalan Numbers
331
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
852626
Fractions
437
Leap Years
682
Ordinal Numbers
676
Prime Numbers
632
Prime Numbers (Long)
648
Tongue-twisters
677