12 Days of Christmas
872
99 Bottles of Beer
840
Abundant Numbers
813
Abundant Numbers (Long)
850
Arithmetic Numbers
829
Arrows
416
ASCII Table
744
brainfuck
316
Card Number Validation
732
Catalan Numbers
579
Catalan’s Constant
464
Christmas Trees
710
Collatz
867
CSS Colors
232
Cubes
369
Divisors
791
Emirp Numbers
547
Emirp Numbers (Long)
577
Emojify
511
Evil Numbers
732
Evil Numbers (Long)
744
Factorial Factorisation
607
Fibonacci
750
Fizz Buzz
953
Foo Fizz Buzz Bar
836
Fractions
698
Happy Numbers
526
Happy Numbers (Long)
105
ISBN
708
Kaprekar Numbers
648
Kolakoski Constant
582
Kolakoski Sequence
740
Leap Years
697
Leyland Numbers
648
ln 2
815
Look and Say
577
Lucky Numbers
406
Morse Encoder
440
N Queens
119
Niven Numbers
964
Niven Numbers (Long)
763
Number Spiral
263
Odious Numbers
728
Odious Numbers (Long)
738
Ordinal Numbers
966
PalindromemordnilaP
570
Pangram Grep
530
Pascal’s Triangle
620
Pernicious Numbers
472
Pernicious Numbers (Long)
466
Polyominoes
34
Prime Numbers
895871
Prime Numbers (Long)
660
Quine
864
Recamán
640
Rijndael S-box
159
Roman to Arabic
341
Seven Segment
436
Sierpiński Triangle
183
Smith Numbers
599
Star Wars Opening Crawl
54
Sudoku
292
Sudoku (Fill-in)
136
Tongue-twisters
511
United States
294
Vampire Numbers
94
Van Eck Sequence
489
π
691
τ
688
φ
864790
√2
865711
𝑒
806568