12 Days of Christmas
461
99 Bottles of Beer
595
Abundant Numbers
813
Abundant Numbers (Long)
851
Arithmetic Numbers
830
Arrows
618
ASCII Table
635
brainfuck
259
Card Number Validation
732
Catalan Numbers
580
Catalan’s Constant
464
Christmas Trees
709
Collatz
867
CSS Colors
110
Cubes
319
Divisors
791
Emirp Numbers
481
Emirp Numbers (Long)
576
Emojify
539
Evil Numbers
732
Evil Numbers (Long)
743
Factorial Factorisation
607
Fibonacci
750
Fizz Buzz
952
Foo Fizz Buzz Bar
832
Fractions
697
Happy Numbers
434
Happy Numbers (Long)
105
ISBN
708
Kaprekar Numbers
648
Kolakoski Constant
580
Kolakoski Sequence
736
Leap Years
697
Leyland Numbers
648
ln 2
815
Look and Say
578
Lucky Numbers
405
Morse Encoder
359
N Queens
110
Niven Numbers
964
Niven Numbers (Long)
763
Number Spiral
263
Odious Numbers
728
Odious Numbers (Long)
739
Ordinal Numbers
962
PalindromemordnilaP
570
Pangram Grep
530
Pascal’s Triangle
620
Pernicious Numbers
472
Pernicious Numbers (Long)
464
Polyominoes
28
Prime Numbers
895871
Prime Numbers (Long)
660
Quine
864
Recamán
640
Rijndael S-box
132
Roman to Arabic
339
Seven Segment
386
Sierpiński Triangle
176
Smith Numbers
564
Star Wars Opening Crawl
38
Sudoku
241
Sudoku (Fill-in)
143
Tongue-twisters
341
United States
476
Vampire Numbers
83
Van Eck Sequence
490
π
691
τ
688
φ
864776
√2
865711
𝑒
806568