12 Days of Christmas
378
24 Game
256
99 Bottles of Beer
411
Abundant Numbers
800543
753
Catalan Numbers
691
Christmas Trees
597
Collatz
796
CSS Colors
95
Cubes
402
Diamonds
469
Divisors
749
933934
Emirp Numbers
239399
505
Emojify
418
Evil Numbers
438
802
Factorial Factorisation
346
Farey Sequence
371
Fibonacci
675
719
935
Fizz Buzz
595893
891
Gijswijt’s Sequence
275
Happy Numbers
554
Kolakoski Sequence
271
758661
Leap Years
831821
Leyland Numbers
817
ln 2
765
Look and Say
637
Lucky Numbers
573
Morse Decoder
259
Morse Encoder
265
N Queens
409
Niven Numbers
389
919
Niven Numbers (Long)
739
Odious Numbers
441
784
Ordinal Numbers
656
Pangram Grep
772
Pascal’s Triangle
841539
Pernicious Numbers
711
Pernicious Numbers (Long)
730
Prime Numbers
769401
913
Quine
944
Recamán
399
737
Reverse Polish Notation
771
Seven Segment
385
428
Sierpiński Triangle
398
514
Tongue-twisters
328
Vampire Numbers
97
613
Van Eck Sequence
674
π
74