12 Days of Christmas
868
Abundant Numbers
517
673
718
brainfuck
332
509
Catalan Numbers
523
Christmas Trees
581
Collatz
773
Cubes
608
Diamonds
267
Divisors
528
598
968
Emirp Numbers
472
Evil Numbers
428557
523498
756
Fibonacci
590819942572573385867
Fizz Buzz
606
694
977
Fractions
459561
627
Happy Numbers
479
553
675
Happy Numbers (Long)
769
Leap Years
684
Leyland Numbers
474
807
Look and Say
563
Niven Numbers
528
747
Odious Numbers
434
522505
754
Pascal’s Triangle
575
810
Pernicious Numbers
395
687
Prime Numbers
454587750491
654
Quine
947
Recamán
702
Reverse Polish Notation
539
678
Roman to Arabic
528
Rule 110
442
Sierpiński Triangle
293
Smith Numbers
555
Sudoku
248
309
Sudoku (Fill-in)
277
Van Eck Sequence
319
492
√2
633