12 Days of Christmas
379
Abundant Numbers
681
Abundant Numbers (Long)
753
Arithmetic Numbers
689
Arrows
500
brainfuck
362
293
Catalan Numbers
543
Christmas Trees
607
Collatz
740
Day of Week
459
Divisors
857
Evil Numbers
769
Fibonacci
508
778
549
739
663
797
805
431
586
947
762
900
Fizz Buzz
615
688
Foo Fizz Buzz Bar
589
Fractions
521
Happy Numbers
444
Hexdump
462
Inventory Sequence
718
ISBN
597
Leap Years
782
Leyland Numbers
674
Look and Say
397
Lucky Numbers
491
Niven Numbers
786
Niven Numbers (Long)
625
Odious Numbers
784
Ordinal Numbers
595
Pangram Grep
629
Pascal’s Triangle
667
Pernicious Numbers
519
Pernicious Numbers (Long)
537
Poker
239
Polyominoes
218
Recamán
688
Reverse Polish Notation
577
Seven Segment
431
Smith Numbers
472
Sudoku
240
Vampire Numbers
494
Van Eck Sequence
570