12 Days of Christmas
788
24 Game
22
99 Bottles of Beer
717
Abundant Numbers
818
Abundant Numbers (Long)
859
Arabic to Roman
527
Arithmetic Numbers
804
Arrows
477
Ascending Primes
805
ASCII Table
622
606
brainfuck
632
Catalan Numbers
603
Catalan’s Constant
575
Christmas Trees
788
Collatz
761771401
752825715
968
725
CSS Colors
211
Cubes
428
Day of Week
665
Diamonds
584
Divisors
413
872
Emirp Numbers
516
Emirp Numbers (Long)
630
Emojify
515
Evil Numbers
749
Evil Numbers (Long)
520
747
Factorial Factorisation
840
Farey Sequence
469
Fibonacci
876
684756719
899
866
Fizz Buzz
989
Foo Fizz Buzz Bar
572
Fractions
705
Gijswijt’s Sequence
560
Happy Numbers
595
Happy Numbers (Long)
687
Inventory Sequence
704
ISBN
850
Kolakoski Constant
68
Kolakoski Sequence
528
Leap Years
587
979
Levenshtein Distance
625
Leyland Numbers
75
ln 2
898
949
Look and Say
877
Lucky Numbers
582
Morse Encoder
567
Niven Numbers
972
Niven Numbers (Long)
841
Number Spiral
265
Odious Numbers
434
763
Odious Numbers (Long)
760
Ordinal Numbers
909
Pangram Grep
573
Pascal’s Triangle
792
Pernicious Numbers
609
Pernicious Numbers (Long)
507
Prime Numbers
827
597
896
872
Prime Numbers (Long)
766
889
Quine
1,000
866
Recamán
914
Repeating Decimals
501
Reverse Polish Notation
754
Rijndael S-box
530
266
837
Roman to Arabic
528
Rule 110
747
SI Units
322
Sierpiński Triangle
573
Smith Numbers
587
Spelling Numbers
527
Time Distance
497
Tongue-twisters
556
United States
416
Vampire Numbers
86
Van Eck Sequence
553
Zodiac Signs
667
γ
671
λ
297
183
π
669849611910178100981156753436283915665481327713727642512615178729
10313416017325745050561033813459113834220313569253108132111144
τ
655
783
φ
689
900
√2
922
737
𝑒
693
960
699