12 Days of Christmas
402
Abundant Numbers
482
668
688
brainfuck
348
323
Catalan Numbers
522
Christmas Trees
506
Collatz
698
Cubes
442
Diamonds
223
Divisors
528
598
917
Emirp Numbers
389
Evil Numbers
436556
523489
755
Fibonacci
576818928572572385866
Fizz Buzz
604
690
891
Fractions
458561
533
Happy Numbers
353
469
523
Happy Numbers (Long)
652
Leap Years
683
Leyland Numbers
474
687
Look and Say
458
Niven Numbers
524
744
Odious Numbers
442
521504
754
Pascal’s Triangle
575
751
Pernicious Numbers
386
686
Prime Numbers
445562701491
654
Quine
944
Recamán
633
Reverse Polish Notation
538
491
Roman to Arabic
399
Rule 110
378
Sierpiński Triangle
280
Smith Numbers
408
Sudoku
317
187
Sudoku (Fill-in)
179
Van Eck Sequence
318
466
√2
630