12 Days of Christmas
404
99 Bottles of Beer
345
Abundant Numbers
396
Abundant Numbers (Long)
425
Arithmetic Numbers
412
Arrows
187
brainfuck
421
Card Number Validation
437
Collatz
496
CSS Colors
89
Day of Week
644
Divisors
522
Emirp Numbers
323
Emirp Numbers (Long)
384
Evil Numbers
280
Evil Numbers (Long)
286
Fibonacci
413
Fizz Buzz
952
Foo Fizz Buzz Bar
814
Forsyth–Edwards Notation
359
Fractions
593
Game of Life
235
Happy Numbers
308
Happy Numbers (Long)
366
ISBN
477
Leap Years
619
Look and Say
384
Lucky Numbers
348
Morse Decoder
149
Morse Encoder
177
Niven Numbers
358
Niven Numbers (Long)
411
Odious Numbers
279
Odious Numbers (Long)
284
Pernicious Numbers
183
ROT13
489
United States
149
Zeckendorf Representation
306
π
505