12 Days of Christmas
463
99 Bottles of Beer
575
Abundant Numbers
682
Abundant Numbers (Long)
838
Arabic to Roman
344
Arrows
482
ASCII Table
614
Christmas Trees
573
Collatz
842
Divisors
720
Emirp Numbers
321
Emirp Numbers (Long)
567
Evil Numbers
570
Evil Numbers (Long)
582
Fibonacci
780
Fizz Buzz
897
Foo Fizz Buzz Bar
691
Fractions
641
Happy Numbers
339
Happy Numbers (Long)
473
Leap Years
780
Leyland Numbers
585
Lucky Numbers
494
Morse Encoder
321
Niven Numbers
886
Niven Numbers (Long)
683
Number Spiral
281
Odious Numbers
543
Odious Numbers (Long)
555
Ordinal Numbers
449
Pangram Grep
453
Pascal’s Triangle
475
Pernicious Numbers
419
Pernicious Numbers (Long)
489
Prime Numbers
696
Prime Numbers (Long)
819
Recamán
556
Reverse Polish Notation
456
Rule 110
377
Tongue-twisters
346
United States
150