12 Days of Christmas
854
Abundant Numbers
511
662
713
brainfuck
325
509
Catalan Numbers
520
Christmas Trees
578
Collatz
769
Cubes
607
Diamonds
265
Divisors
523
590
962
Emirp Numbers
471
Evil Numbers
427556
521496
754
Fibonacci
587816938568570380864
Fizz Buzz
603
688
973
Fractions
460561
627
Happy Numbers
474
545
671
Happy Numbers (Long)
763
Leap Years
682
Leyland Numbers
465
800
Look and Say
559
Niven Numbers
517
740
Odious Numbers
431
517501
751
Pascal’s Triangle
571
807
Pernicious Numbers
391
683
Prime Numbers
453586749490
653
Quine
945
Recamán
696
Reverse Polish Notation
539
678
Roman to Arabic
525
Rule 110
437
Sierpiński Triangle
290
Smith Numbers
554
Sudoku
248
309
Sudoku (Fill-in)
277
Van Eck Sequence
315
490
√2
626