12 Days of Christmas
377
Abundant Numbers
681
Abundant Numbers (Long)
764
Arithmetic Numbers
618
Collatz
760
CSS Colors
106
Day of Week
654
Divisors
761
Emojify
277
Evil Numbers
645
Evil Numbers (Long)
641
Fibonacci
681493
Fizz Buzz
864716
Foo Fizz Buzz Bar
907641
Fractions
569
ISBN
500
Leap Years
877672
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
413336
United States
204
π
231