12 Days of Christmas
463
99 Bottles of Beer
575
Abundant Numbers
683
Abundant Numbers (Long)
839
Arabic to Roman
344
Arrows
483
ASCII Table
614
Christmas Trees
574
Collatz
843
Divisors
721
Emirp Numbers
321
Emirp Numbers (Long)
567
Evil Numbers
570
Evil Numbers (Long)
582
Fibonacci
780
Fizz Buzz
831
Foo Fizz Buzz Bar
646
Fractions
641
Happy Numbers
339
Happy Numbers (Long)
473
Leap Years
780
Leyland Numbers
585
Lucky Numbers
495
Morse Encoder
321
Niven Numbers
886
Niven Numbers (Long)
684
Number Spiral
281
Odious Numbers
543
Odious Numbers (Long)
555
Ordinal Numbers
449
Pangram Grep
454
Pascal’s Triangle
475
Pernicious Numbers
419
Pernicious Numbers (Long)
490
Prime Numbers
696
Prime Numbers (Long)
820
Recamán
556
Reverse Polish Notation
457
Rule 110
377
Tongue-twisters
346
United States
150