12 Days of Christmas
463
99 Bottles of Beer
575
Abundant Numbers
682
Abundant Numbers (Long)
837
Arabic to Roman
344
Arrows
482
ASCII Table
613
Christmas Trees
573
Collatz
841
Divisors
720
Emirp Numbers
321
Emirp Numbers (Long)
566
Evil Numbers
570
Evil Numbers (Long)
581
Fibonacci
779
Fizz Buzz
897
Foo Fizz Buzz Bar
690
Fractions
640
Happy Numbers
338
Happy Numbers (Long)
473
Leap Years
779
Leyland Numbers
584
Lucky Numbers
494
Morse Encoder
321
Niven Numbers
886
Niven Numbers (Long)
682
Number Spiral
280
Odious Numbers
542
Odious Numbers (Long)
555
Ordinal Numbers
448
Pangram Grep
453
Pascal’s Triangle
474
Pernicious Numbers
418
Pernicious Numbers (Long)
487
Prime Numbers
695
Prime Numbers (Long)
818
Recamán
556
Reverse Polish Notation
456
Rule 110
377
Tongue-twisters
346
United States
150