12 Days of Christmas
252
99 Bottles of Beer
134
Abundant Numbers
676
Catalan Numbers
330
Catalan’s Constant
59
Christmas Trees
452
Collatz
419
CSS Colors
79
Diamonds
292
Divisors
799
Emojify
263
Evil Numbers (Long)
752
Fizz Buzz
890
Foo Fizz Buzz Bar
854500
Fractions
372
Leap Years
681
Ordinal Numbers
551
Prime Numbers
632
Prime Numbers (Long)
647
Tongue-twisters
378