12 Days of Christmas
799
24 Game
23
99 Bottles of Beer
730
Abundant Numbers
842
Abundant Numbers (Long)
895
Arabic to Roman
552
Arithmetic Numbers
836
Arrows
491
Ascending Primes
857
ASCII Table
652
634
brainfuck
657
Catalan Numbers
631
Catalan’s Constant
604
Christmas Trees
814
Collatz
804829430
780872754
1,000
740
CSS Colors
222
Cubes
444
Day of Week
703
Diamonds
610
Divisors
432
891
Emirp Numbers
532
Emirp Numbers (Long)
664
Emojify
533
Evil Numbers
771
Evil Numbers (Long)
549
780
Factorial Factorisation
884
Farey Sequence
496
Fibonacci
889
703785750
917
878
Fizz Buzz
1,000
Foo Fizz Buzz Bar
627
Fractions
741
Gijswijt’s Sequence
589
Happy Numbers
614
Happy Numbers (Long)
721
Inventory Sequence
743
ISBN
892
Kolakoski Constant
71
Kolakoski Sequence
543
Leap Years
605
1,000
Levenshtein Distance
662
Leyland Numbers
78
ln 2
953
1,000
Look and Say
909
Lucky Numbers
612
Morse Encoder
589
Niven Numbers
1,000
Niven Numbers (Long)
877
Number Spiral
281
Odious Numbers
556
787
Odious Numbers (Long)
796
Ordinal Numbers
943
Pangram Grep
596
Pascal’s Triangle
825
Pernicious Numbers
630
Pernicious Numbers (Long)
529
Prime Numbers
875
622
923
889
Prime Numbers (Long)
808
927
Quine
1,000
893
Recamán
944
Repeating Decimals
537
Reverse Polish Notation
814
Rijndael S-box
1,000
266
897
Roman to Arabic
552
Rule 110
777
SI Units
330
Sierpiński Triangle
588
Smith Numbers
619
Spelling Numbers
559
Time Distance
522
Tongue-twisters
566
United States
430
Vampire Numbers
90
Van Eck Sequence
581
Zodiac Signs
728
γ
764
λ
304
199
π
692931021301178410610412473564866901006069511488514827672514016281130
11014718219125785253571133917560915438022214774281117145162160
τ
679
816
φ
718
943
√2
963
754
𝑒
718
1,000
716