12 Days of Christmas
853
Abundant Numbers
512
662
713
brainfuck
326
509
Catalan Numbers
520
Christmas Trees
577
Collatz
769
Cubes
601
Diamonds
265
Divisors
523
590
962
Emirp Numbers
471
Evil Numbers
427556
521496
754
Fibonacci
587805938568570381864
Fizz Buzz
602
687
973
Fractions
459561
627
Happy Numbers
474
546
671
Happy Numbers (Long)
763
Leap Years
682
Leyland Numbers
465
801
Look and Say
559
Niven Numbers
517
740
Odious Numbers
423
517501
751
Pascal’s Triangle
571
808
Pernicious Numbers
391
683
Prime Numbers
454587748490
654
Quine
945
Recamán
696
Reverse Polish Notation
536
666
Roman to Arabic
525
Rule 110
437
Sierpiński Triangle
290
Smith Numbers
553
Sudoku
240
293
Sudoku (Fill-in)
276
Van Eck Sequence
315
490
√2
627