12 Days of Christmas
883803
99 Bottles of Beer
689
Abundant Numbers
821797
Abundant Numbers (Long)
864930
Arabic to Roman
666
Arithmetic Numbers
868
Arrows
523
Ascending Primes
480
ASCII Table
692
brainfuck
531
Card Number Validation
617
Catalan Numbers
874
Catalan’s Constant
717
Christmas Trees
596
744
Collatz
757730790
906938823
CSS Colors
715
Cubes
634
Day of Week
734
Diamonds
303
530
Divisors
555
786984
Emirp Numbers
687
Emirp Numbers (Long)
628
Emojify
535
Evil Numbers
958
Evil Numbers (Long)
951
Factorial Factorisation
352
Farey Sequence
803
Fibonacci
146630816916565852935555717
Fizz Buzz
957977
Foo Fizz Buzz Bar
952
Forsyth–Edwards Notation
607
Fractions
907
Game of Life
610
Happy Numbers
759
Happy Numbers (Long)
842
Intersection
677
Inventory Sequence
826
ISBN
723
Jacobi Symbol
692
Kaprekar Numbers
416
Kolakoski Constant
698
Kolakoski Sequence
809
Leap Years
771
Levenshtein Distance
529
Leyland Numbers
779
ln 2
778
Look and Say
679
Lucky Numbers
689
Lucky Tickets
630
Medal Tally
616
N Queens
538
Niven Numbers
911921
Niven Numbers (Long)
842
Number Spiral
528
Odious Numbers
955
Odious Numbers (Long)
949
Ordinal Numbers
724
PalindromemordnilaP
712
Pangram Grep
910
Partition Numbers
387
Pascal’s Triangle
711
Pernicious Numbers
798
Pernicious Numbers (Long)
789
Prime Numbers
874853
Prime Numbers (Long)
659
Quine
946
Recamán
589805664
Repeating Decimals
339
Reverse Polish Notation
754
Rijndael S-box
492
Rock-paper-scissors-Spock-lizard
727
Roman to Arabic
633
ROT13
911
Rule 110
518
Seven Segment
513
Sierpiński Triangle
646
Smith Numbers
572
Spelling Numbers
430
Tic-tac-toe
508
Tongue-twisters
616
Transpose Sentence
585
United States
351721
Van Eck Sequence
667
Zeckendorf Representation
658
γ
502
λ
668
π
804
τ
799
φ
795
√2
874
𝑒
823