12 Days of Christmas
819
Abundant Numbers
708
Abundant Numbers (Long)
861
Arithmetic Numbers
716
Collatz
907
CSS Colors
245
Day of Week
817
Divisors
803
Emojify
307
Evil Numbers
645
Evil Numbers (Long)
641
Fibonacci
681
493
Fizz Buzz
864
784
Foo Fizz Buzz Bar
907
806
Fractions
670
ISBN
641
Leap Years
895
672
Morse Decoder
286
Morse Encoder
343
Niven Numbers
759
Niven Numbers (Long)
833
Odious Numbers
800
Odious Numbers (Long)
788
Ordinal Numbers
871
Pangram Grep
783
Prime Numbers
625
Prime Numbers (Long)
667
Seven Segment
509
Tongue-twisters
611
604
United States
297
π
259