12 Days of Christmas
917
788
24 Game
391
99 Bottles of Beer
718
Abundant Numbers
819
Abundant Numbers (Long)
860
Arabic to Roman
527
Arithmetic Numbers
805
Arrows
477
Ascending Primes
807
ASCII Table
617
607
Billiards
521
brainfuck
425
632
Card Number Validation
804
Catalan Numbers
603
Catalan’s Constant
576
Christmas Trees
788
Collatz
761771402
894825716
969
726
CSS Colors
211
Cubes
428
Day of Week
666
Diamonds
692
Divisors
413
872
Emirp Numbers
516
Emirp Numbers (Long)
631
Emojify
516
Evil Numbers
749
Evil Numbers (Long)
521
748
Factorial Factorisation
838
Farey Sequence
470
Fibonacci
876
842756720
981
866
Fizz Buzz
989
Foo Fizz Buzz Bar
572
Fractions
705
Gijswijt’s Sequence
561
Happy Numbers
595
Happy Numbers (Long)
688
Intersection
707
Inventory Sequence
705
ISBN
851
Kolakoski Constant
68
Kolakoski Sequence
528
Leap Years
587
979
Levenshtein Distance
626
Leyland Numbers
75
ln 2
919
951
Look and Say
877
Lucky Numbers
583
Mandelbrot
814
Morse Encoder
567
N Queens
70
Niven Numbers
973
Niven Numbers (Long)
842
Number Spiral
265
Odious Numbers
434
763
Odious Numbers (Long)
761
Ordinal Numbers
909
Pangram Grep
573
Partition Numbers
617
Pascal’s Triangle
793
Pernicious Numbers
609
Pernicious Numbers (Long)
508
Prime Numbers
827
597
897
872
Prime Numbers (Long)
766
890
Quine
978
862
Recamán
914
Repeating Decimals
503
Reverse Polish Notation
755
Reversi
725
Rijndael S-box
530
266
838
Roman to Arabic
529
ROT13
801
Rule 110
748
SI Units
351
Sierpiński Triangle
573
Smith Numbers
588
Spelling Numbers
527
Tic-tac-toe
929
Time Distance
498
Tongue-twisters
556
Topological Sort
645
Transpose Sentence
786
United States
416
Vampire Numbers
611
Van Eck Sequence
554
Zodiac Signs
668
γ
673
λ
297
183
π
66984961199978100981156753436283915665481327713727642512611183229
1011341601732574505056793818865813834220313569253108132111
τ
655
783
φ
689
901
√2
923
737
𝑒
693
961
699