12 Days of Christmas
872
Abundant Numbers
516
671
717
brainfuck
349
511
Catalan Numbers
522
Christmas Trees
581
Collatz
832
Cubes
620
Diamonds
267
Divisors
528
597
967
Emirp Numbers
479
Evil Numbers
444571
522810
755
Fibonacci
589816939572938385866
Fizz Buzz
612
693
977
Fractions
458559
626
Happy Numbers
479
552
675
Happy Numbers (Long)
768
Leap Years
684
Leyland Numbers
474
806
Look and Say
562
Niven Numbers
527
746
Odious Numbers
442
521815
753
Pascal’s Triangle
574
810
Pernicious Numbers
393
686
Prime Numbers
454585749490
654
Quine
946
Recamán
701
Reverse Polish Notation
537
675
Roman to Arabic
527
Rule 110
441
Sierpiński Triangle
298
Smith Numbers
553
Sudoku
248
309
Sudoku (Fill-in)
276
Van Eck Sequence
318
491
√2
633