12 Days of Christmas
369
Abundant Numbers
666
Abundant Numbers (Long)
741
Arithmetic Numbers
589
Collatz
743
CSS Colors
102
Day of Week
631
Divisors
731
Emojify
271
Evil Numbers
632
Evil Numbers (Long)
623
Fibonacci
397485
Fizz Buzz
589709
Foo Fizz Buzz Bar
679631
Fractions
553
ISBN
483
Leap Years
510660
Morse Decoder
196
Morse Encoder
226
Niven Numbers
740
Niven Numbers (Long)
806
Odious Numbers
781
Odious Numbers (Long)
763
Ordinal Numbers
682
Pangram Grep
642
Prime Numbers
613
Prime Numbers (Long)
647
Seven Segment
356
Tongue-twisters
337334
United States
195
π
226