12 Days of Christmas
334
99 Bottles of Beer
368
Abundant Numbers
685
Abundant Numbers (Long)
751
Arabic to Roman
208
Arithmetic Numbers
607
Arrows
403
Card Number Validation
345
Catalan Numbers
687
Christmas Trees
513
Collatz
679
Diamonds
296
Divisors
692
Emirp Numbers
449
Emirp Numbers (Long)
511
Evil Numbers
726
Evil Numbers (Long)
712
Farey Sequence
449
Fibonacci
787
Fizz Buzz
559
Foo Fizz Buzz Bar
458
Fractions
427
Happy Numbers
469
Intersection
576
ISBN
520
Leap Years
640
Leyland Numbers
571
Lucky Numbers
425
Morse Encoder
142
Niven Numbers
692
Niven Numbers (Long)
755
Odious Numbers
737
Odious Numbers (Long)
735
Ordinal Numbers
450
Pangram Grep
568
Pascal’s Triangle
355
Pernicious Numbers
660
Prime Numbers
622
Prime Numbers (Long)
577
Recamán
643
Rijndael S-box
109
Roman to Arabic
214
Scrambled Sort
528
Seven Segment
263
Sierpiński Triangle
128
Smith Numbers
534
Sudoku
191
Ten-pin Bowling
160
Tongue-twisters
339
United States
110
Vampire Numbers
418
Van Eck Sequence
630
√2
626