12 Days of Christmas
463
99 Bottles of Beer
575
Abundant Numbers
683
Abundant Numbers (Long)
840
Arabic to Roman
345
Arrows
483
ASCII Table
614
Christmas Trees
574
Collatz
843
Divisors
721
Emirp Numbers
322
Emirp Numbers (Long)
568
Evil Numbers
571
Evil Numbers (Long)
583
Fibonacci
780
Fizz Buzz
831
Foo Fizz Buzz Bar
646
Fractions
641
Happy Numbers
340
Happy Numbers (Long)
474
Leap Years
780
Leyland Numbers
586
Lucky Numbers
495
Morse Encoder
294
Niven Numbers
887
Niven Numbers (Long)
684
Number Spiral
281
Odious Numbers
543
Odious Numbers (Long)
556
Ordinal Numbers
449
Pangram Grep
454
Pascal’s Triangle
475
Pernicious Numbers
420
Pernicious Numbers (Long)
491
Prime Numbers
697
Prime Numbers (Long)
820
Recamán
556
Reverse Polish Notation
458
Rule 110
357
Tongue-twisters
346
United States
126