12 Days of Christmas
467
99 Bottles of Beer
609
Abundant Numbers
842
Abundant Numbers (Long)
895
Arithmetic Numbers
875
Arrows
641
ASCII Table
662
brainfuck
270
Card Number Validation
782
Catalan Numbers
612
Catalan’s Constant
486
Christmas Trees
737
Collatz
917
CSS Colors
115
Cubes
352
Divisors
817
Emirp Numbers
500
Emirp Numbers (Long)
612
Emojify
561
Evil Numbers
755
Evil Numbers (Long)
780
Factorial Factorisation
646
Fibonacci
767
Fizz Buzz
966
Foo Fizz Buzz Bar
859
Fractions
733
Happy Numbers
451
Happy Numbers (Long)
111
ISBN
747
Kaprekar Numbers
718
Kolakoski Constant
615
Kolakoski Sequence
778
Leap Years
732
Leyland Numbers
686
ln 2
869
Look and Say
606
Lucky Numbers
432
Morse Encoder
379
N Queens
127
Niven Numbers
1,000
Niven Numbers (Long)
806
Number Spiral
281
Odious Numbers
755
Odious Numbers (Long)
780
Ordinal Numbers
1,000
PalindromemordnilaP
623
Pangram Grep
557
Pascal’s Triangle
650
Pernicious Numbers
493
Pernicious Numbers (Long)
495
Polyominoes
36
Prime Numbers
923
889
Prime Numbers (Long)
691
Quine
893
Recamán
671
Rijndael S-box
146
Roman to Arabic
357
Seven Segment
414
Sierpiński Triangle
184
Smith Numbers
632
Star Wars Opening Crawl
41
Sudoku
252
Sudoku (Fill-in)
153
Tongue-twisters
348
United States
492
Vampire Numbers
90
Van Eck Sequence
518
π
714
τ
721
φ
909
800
√2
912
731
𝑒
847
585