12 Days of Christmas
741
99 Bottles of Beer
648
Abundant Numbers
729
Abundant Numbers (Long)
873
Arabic to Roman
300
Arithmetic Numbers
737
Arrows
410
Catalan Numbers
710
Christmas Trees
602
Collatz
829
Diamonds
364
Divisors
760
Emirp Numbers
567
Emirp Numbers (Long)
639
Evil Numbers
741
Evil Numbers (Long)
732
Fibonacci
800
Fizz Buzz
617
Foo Fizz Buzz Bar
585
Fractions
518
Happy Numbers
620
Intersection
818
Leap Years
652
Leyland Numbers
695
Lucky Numbers
466
Morse Encoder
216
Niven Numbers
710
Niven Numbers (Long)
781
Odious Numbers
755
Odious Numbers (Long)
759
Ordinal Numbers
574
Pangram Grep
692
Pascal’s Triangle
394
Pernicious Numbers
678
Prime Numbers
635
Prime Numbers (Long)
595
Recamán
735
Rijndael S-box
163
Roman to Arabic
293
Seven Segment
376
Sierpiński Triangle
103
Smith Numbers
754
Sudoku
271
Ten-pin Bowling
238
Tongue-twisters
613
United States
167
Vampire Numbers
586
Van Eck Sequence
691
√2
645