12 Days of Christmas
880
99 Bottles of Beer
851
Abundant Numbers
842
Abundant Numbers (Long)
895
Arithmetic Numbers
875
Arrows
433
ASCII Table
779
brainfuck
328
Card Number Validation
782
Catalan Numbers
612
Catalan’s Constant
486
Christmas Trees
737
Collatz
917
CSS Colors
246
Cubes
422
Divisors
817
Emirp Numbers
569
Emirp Numbers (Long)
612
Emojify
531
Evil Numbers
755
Evil Numbers (Long)
780
Factorial Factorisation
646
Fibonacci
767
Fizz Buzz
966
Foo Fizz Buzz Bar
859
Fractions
733
Happy Numbers
549
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
461
N Queens
135
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
45
Prime Numbers
923
889
Prime Numbers (Long)
691
Quine
893
Recamán
671
Rijndael S-box
181
Roman to Arabic
357
Seven Segment
457
Sierpiński Triangle
191
Smith Numbers
632
Star Wars Opening Crawl
58
Sudoku
305
Sudoku (Fill-in)
144
Tongue-twisters
522
United States
307
Vampire Numbers
100
Van Eck Sequence
518
π
714
τ
721
φ
909
815
√2
912
731
𝑒
847
585