12 Days of Christmas
377
Abundant Numbers
681
Abundant Numbers (Long)
764
Arithmetic Numbers
608
Collatz
760
CSS Colors
106
Day of Week
654
Divisors
761
Emojify
277
Evil Numbers
645
Evil Numbers (Long)
641
Fibonacci
681
493
Fizz Buzz
864
716
Foo Fizz Buzz Bar
907
641
Fractions
569
ISBN
500
Leap Years
877
672
Morse Decoder
201
Morse Encoder
234
Niven Numbers
759
Niven Numbers (Long)
833
Odious Numbers
800
Odious Numbers (Long)
788
Ordinal Numbers
710
Pangram Grep
663
Prime Numbers
625
Prime Numbers (Long)
667
Seven Segment
372
Tongue-twisters
413
340
United States
212
π
231