12 Days of Christmas
870
99 Bottles of Beer
836
Abundant Numbers
813
Abundant Numbers (Long)
851
Arithmetic Numbers
830
Arrows
415
ASCII Table
744
brainfuck
316
Card Number Validation
732
Catalan Numbers
580
Catalan’s Constant
464
Christmas Trees
709
Collatz
867
CSS Colors
232
Cubes
363
Divisors
791
Emirp Numbers
547
Emirp Numbers (Long)
576
Emojify
511
Evil Numbers
732
Evil Numbers (Long)
743
Factorial Factorisation
607
Fibonacci
750
Fizz Buzz
952
Foo Fizz Buzz Bar
834
Fractions
697
Happy Numbers
526
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
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
530
Pascal’s Triangle
620
Pernicious Numbers
472
Pernicious Numbers (Long)
466
Polyominoes
33
Prime Numbers
895871
Prime Numbers (Long)
660
Quine
864
Recamán
640
Rijndael S-box
159
Roman to Arabic
341
Seven Segment
428
Sierpiński Triangle
183
Smith Numbers
564
Star Wars Opening Crawl
52
Sudoku
285
Sudoku (Fill-in)
135
Tongue-twisters
511
United States
293
Vampire Numbers
92
Van Eck Sequence
490
π
691
τ
688
φ
864791
√2
865711
𝑒
806568