12 Days of Christmas
872
Abundant Numbers
516
670
717
brainfuck
349
511
Catalan Numbers
522
Christmas Trees
581
Collatz
832
Cubes
620
Diamonds
267
Divisors
527
597
967
Emirp Numbers
479
Evil Numbers
444570
522809
755
Fibonacci
588816938571938385866
Fizz Buzz
612
693
977
Fractions
457559
626
Happy Numbers
478
552
674
Happy Numbers (Long)
767
Leap Years
683
Leyland Numbers
474
806
Look and Say
562
Niven Numbers
527
746
Odious Numbers
441
521814
753
Pascal’s Triangle
574
809
Pernicious Numbers
393
686
Prime Numbers
453569749490
654
Quine
946
Recamán
701
Reverse Polish Notation
537
675
Roman to Arabic
527
Rule 110
441
Sierpiński Triangle
302
Smith Numbers
553
Sudoku
257
309
Sudoku (Fill-in)
276
Van Eck Sequence
318
491
√2
632