12 Days of Christmas
847
99 Bottles of Beer
836
Abundant Numbers
813
Abundant Numbers (Long)
851
Arithmetic Numbers
830
Arrows
410
ASCII Table
745
brainfuck
316
Card Number Validation
733
Catalan Numbers
580
Catalan’s Constant
462
Christmas Trees
709
Collatz
868
CSS Colors
227
Cubes
363
Divisors
792
Emirp Numbers
547
Emirp Numbers (Long)
576
Emojify
511
Evil Numbers
732
Evil Numbers (Long)
743
Factorial Factorisation
608
Fibonacci
750
Fizz Buzz
952
Foo Fizz Buzz Bar
834
Fractions
697
Happy Numbers
526
Happy Numbers (Long)
105
ISBN
709
Kaprekar Numbers
649
Kolakoski Constant
580
Kolakoski Sequence
737
Leap Years
697
Leyland Numbers
648
ln 2
816
Look and Say
578
Lucky Numbers
405
Morse Encoder
436
N Queens
110
Niven Numbers
964
Niven Numbers (Long)
763
Number Spiral
263
Odious Numbers
728
Odious Numbers (Long)
739
Ordinal Numbers
963
PalindromemordnilaP
570
Pangram Grep
531
Pascal’s Triangle
621
Pernicious Numbers
472
Pernicious Numbers (Long)
466
Polyominoes
29
Prime Numbers
895871
Prime Numbers (Long)
660
Quine
864
Recamán
640
Rijndael S-box
153
Roman to Arabic
341
Seven Segment
412
Sierpiński Triangle
182
Smith Numbers
555
Star Wars Opening Crawl
52
Sudoku
256
Sudoku (Fill-in)
120
Tongue-twisters
511
United States
293
Vampire Numbers
92
Van Eck Sequence
490
π
691
τ
688
φ
864791
√2
866711
𝑒
806568