12 Days of Christmas
396
Abundant Numbers
478
662
685
brainfuck
323
323
Catalan Numbers
520
Christmas Trees
504
Collatz
696
Cubes
424
Diamonds
222
Divisors
523
590
895
Emirp Numbers
387
Evil Numbers
427556
521488
754
Fibonacci
574816927568570380864
Fizz Buzz
603
688
890
Fractions
460561
533
Happy Numbers
349
463
521
Happy Numbers (Long)
647
Leap Years
681
Leyland Numbers
465
681
Look and Say
454
Niven Numbers
517
740
Odious Numbers
431
517501
751
Pascal’s Triangle
571
748
Pernicious Numbers
383
683
Prime Numbers
445562700490
653
Quine
945
Recamán
628
Reverse Polish Notation
539
492
Roman to Arabic
397
Rule 110
374
Sierpiński Triangle
277
Smith Numbers
407
Sudoku
316
187
Sudoku (Fill-in)
179
Van Eck Sequence
315
464
√2
626