12 Days of Christmas
736
99 Bottles of Beer
644
Abundant Numbers
717
Abundant Numbers (Long)
850
Arabic to Roman
291
Arithmetic Numbers
714
Arrows
398
Catalan Numbers
689
Christmas Trees
592
Collatz
811
Diamonds
357
Divisors
748
Emirp Numbers
555
Emirp Numbers (Long)
617
Evil Numbers
727
Evil Numbers (Long)
712
Fibonacci
789
Fizz Buzz
613
Foo Fizz Buzz Bar
576
Fractions
576
Happy Numbers
607
Intersection
789
Leap Years
642
Leyland Numbers
675
Lucky Numbers
451
Morse Encoder
211
Niven Numbers
698
Niven Numbers (Long)
762
Odious Numbers
739
Odious Numbers (Long)
737
Ordinal Numbers
559
Pangram Grep
673
Pascal’s Triangle
384
Pernicious Numbers
662
Prime Numbers
622
Prime Numbers (Long)
578
Recamán
717
Rijndael S-box
156
Roman to Arabic
284
Seven Segment
367
Sierpiński Triangle
101
Smith Numbers
724
Sudoku
262
Ten-pin Bowling
230
Tongue-twisters
609
United States
163
Vampire Numbers
567
Van Eck Sequence
666
√2
632