12 Days of Christmas
736
99 Bottles of Beer
644
Abundant Numbers
718
Abundant Numbers (Long)
853
Arabic to Roman
292
Arithmetic Numbers
718
Arrows
399
Card Number Validation
428
Catalan Numbers
691
Christmas Trees
592
Collatz
754
Diamonds
357
Divisors
748
Emirp Numbers
555
Emirp Numbers (Long)
619
Evil Numbers
727
Evil Numbers (Long)
714
Farey Sequence
508
Fibonacci
789
Fizz Buzz
613
Foo Fizz Buzz Bar
577
Fractions
502
Happy Numbers
607
Intersection
790
ISBN
669
Leap Years
642
Leyland Numbers
676
Lucky Numbers
444
Morse Encoder
211
Niven Numbers
698
Niven Numbers (Long)
764
Odious Numbers
740
Odious Numbers (Long)
739
Ordinal Numbers
560
Pangram Grep
674
Pascal’s Triangle
384
Pernicious Numbers
663
Prime Numbers
623
Prime Numbers (Long)
579
Recamán
719
Rijndael S-box
157
Roman to Arabic
285
Scrambled Sort
683
Seven Segment
367
Sierpiński Triangle
98
Smith Numbers
727
Sudoku
262
Ten-pin Bowling
230
Tongue-twisters
609
United States
148
Vampire Numbers
569
Van Eck Sequence
668
√2
633