12 Days of Christmas
402
Abundant Numbers
481
666
688
brainfuck
347
323
Catalan Numbers
522
Christmas Trees
506
Collatz
697
Cubes
441
Diamonds
223
Divisors
527
597
917
Emirp Numbers
389
Evil Numbers
436554
522801
755
Fibonacci
576816927571938385866
Fizz Buzz
610
690
891
Fractions
457559
532
Happy Numbers
353
468
523
Happy Numbers (Long)
651
Leap Years
683
Leyland Numbers
473
686
Look and Say
457
Niven Numbers
523
744
Odious Numbers
441
521814
753
Pascal’s Triangle
574
750
Pernicious Numbers
385
686
Prime Numbers
445561700490
654
Quine
946
Recamán
633
Reverse Polish Notation
537
489
Roman to Arabic
399
Rule 110
378
Sierpiński Triangle
280
Smith Numbers
407
Sudoku
329
187
Sudoku (Fill-in)
179
Van Eck Sequence
318
465
√2
630