12 Days of Christmas
787
99 Bottles of Beer
494
Abundant Numbers
410
Abundant Numbers (Long)
447
Arithmetic Numbers
434
Arrows
178
brainfuck
534
Card Number Validation
466
Collatz
524
CSS Colors
200
Day of Week
676
Divisors
538
Emirp Numbers
382
Emirp Numbers (Long)
408
Evil Numbers
289
Evil Numbers (Long)
300
Fibonacci
423
Fizz Buzz
966
Foo Fizz Buzz Bar
840
Forsyth–Edwards Notation
408
Fractions
624
Happy Numbers
390
Happy Numbers (Long)
388
ISBN
503
Leap Years
651
Look and Say
403
Lucky Numbers
370
Morse Decoder
111
Morse Encoder
126
Niven Numbers
372
Niven Numbers (Long)
435
Odious Numbers
289
Odious Numbers (Long)
300
Pernicious Numbers
191
ROT13
562
United States
169
Zeckendorf Representation
329
π
522