12 Days of Christmas
349
99 Bottles of Beer
366
Abundant Numbers
696
Arabic to Roman
415
Christmas Trees
545
Day of Week
721
Diamonds
491
Divisors
824
Emirp Numbers
420
Fibonacci
933
Fizz Buzz
640
Fractions
303
Intersection
418
Kolakoski Sequence
427
Leap Years
650
N Queens
67
Niven Numbers
826
Niven Numbers (Long)
780
Number Spiral
161
Ordinal Numbers
515
Pangram Grep
616
Pernicious Numbers
481
Prime Numbers
568
Quine
946
Recamán
587
Roman to Arabic
248
Tongue-twisters
277
United States
113
Van Eck Sequence
338
π
56