12 Days of Christmas
378
24 Game
275
99 Bottles of Beer
411
Abundant Numbers
800543
753
Abundant Numbers (Long)
826
Arithmetic Numbers
748
Catalan Numbers
840
Christmas Trees
728
Collatz
755797
CSS Colors
95
Cubes
402
Diamonds
473
Divisors
749
933935
Emirp Numbers
239417
505
Emirp Numbers (Long)
490
Emojify
418
Evil Numbers
438
873
Evil Numbers (Long)
851
Factorial Factorisation
529
Farey Sequence
376
Fibonacci
675
790
935
Fizz Buzz
595989
891
Foo Fizz Buzz Bar
784
Fractions
585
Gijswijt’s Sequence
276
Happy Numbers
596
Happy Numbers (Long)
741
Inventory Sequence
796
Kolakoski Sequence
271
758662
Leap Years
831822
Leyland Numbers
817
ln 2
766
Look and Say
637
Lucky Numbers
573
657
Mandelbrot
554
Morse Decoder
257
Morse Encoder
265
N Queens
410
Niven Numbers
383
939
Niven Numbers (Long)
887
Odious Numbers
441
852
Odious Numbers (Long)
849
Ordinal Numbers
656
Pangram Grep
772
Pascal’s Triangle
841540
Pernicious Numbers
767
Pernicious Numbers (Long)
887
Prime Numbers
769401
913
Prime Numbers (Long)
952
Quine
947
Recamán
399
758
Reverse Polish Notation
772
Seven Segment
385
428
Sierpiński Triangle
399
514
Tic-tac-toe
403
Tongue-twisters
329
Trinomial Triangle
701
Vampire Numbers
97
613
Van Eck Sequence
732
π
74
𝑒
617