12 Days of Christmas
461
99 Bottles of Beer
598
Abundant Numbers
818
Abundant Numbers (Long)
858
Arithmetic Numbers
839
Arrows
615
ASCII Table
632
brainfuck
259
Card Number Validation
732
Catalan Numbers
583
Catalan’s Constant
462
Christmas Trees
713
Collatz
886
CSS Colors
109
Cubes
339
Divisors
799
Emirp Numbers
484
Emirp Numbers (Long)
579
Emojify
542
Evil Numbers
733
Evil Numbers (Long)
746
Factorial Factorisation
611
Fibonacci
752
Fizz Buzz
954
Foo Fizz Buzz Bar
834
Fractions
695
Happy Numbers
437
Happy Numbers (Long)
106
ISBN
712
Kaprekar Numbers
692
Kolakoski Constant
583
Kolakoski Sequence
738
Leap Years
716
Leyland Numbers
655
ln 2
822
Look and Say
584
Lucky Numbers
410
Morse Encoder
365
N Queens
119
Niven Numbers
972
Niven Numbers (Long)
772
Number Spiral
264
Odious Numbers
731
Odious Numbers (Long)
744
Ordinal Numbers
963
PalindromemordnilaP
577
Pangram Grep
534
Pascal’s Triangle
623
Pernicious Numbers
476
Pernicious Numbers (Long)
473
Polyominoes
33
Prime Numbers
896
871
Prime Numbers (Long)
662
Quine
865
Recamán
648
Rijndael S-box
139
Roman to Arabic
341
Seven Segment
396
Sierpiński Triangle
180
Smith Numbers
599
Star Wars Opening Crawl
39
Sudoku
240
Sudoku (Fill-in)
142
Tongue-twisters
341
United States
475
Vampire Numbers
85
Van Eck Sequence
492
π
692
τ
691
φ
867
776
√2
873
714
𝑒
813
570