12 Days of Christmas
894
24 Game
21
99 Bottles of Beer
843
Abundant Numbers
673
595
Abundant Numbers (Long)
845
642
655
Alphabetic Numbers
219
Arabic to Roman
724
Arithmetic Numbers
799
Arrows
528
Ascending Primes
319
ASCII Table
723
875
667
brainfuck
803
Card Number Validation
777
Catalan Numbers
12
Catalan’s Constant
104
56
277
Christmas Trees
772
CSS Colors
295
Cubes
425
751
Day of Week
899
Diamonds
580
Divisors
949
Emojify
559
Evil Numbers
216
Evil Numbers (Long)
257
Factorial Factorisation
273
Farey Sequence
15
Fibonacci
875
961
671
Fizz Buzz
338
571
930
Foo Fizz Buzz Bar
778
Fractions
588
Happy Numbers
383
311
Intersection
680
Inventory Sequence
470
ISBN
872
Jacobi Symbol
659
Kaprekar Numbers
355
Kolakoski Constant
34
58
283
Leap Years
852
703
656
Leyland Numbers
608
ln 2
81931119570968710721348336274804956441268913124
58
281181071513825313215516328824047507733361223361931205624398167109
Lucky Numbers
363
507
Medal Tally
741
Morse Encoder
624
N Queens
87
519
Niven Numbers
551
Niven Numbers (Long)
761
741
698
Number Spiral
351
Odious Numbers
355
Odious Numbers (Long)
257
Ordinal Numbers
925
PalindromemordnilaP
704
Pangram Grep
331
498
816
Pascal’s Triangle
627
559
Prime Numbers
546
872
Prime Numbers (Long)
832
Quine
947
947
Recamán
489
518
Reverse Polish Notation
786
Rijndael S-box
115
107
819
Rock-paper-scissors-Spock-lizard
650
698
Roman to Arabic
389
ROT13
804
SI Units
849
Sierpiński Triangle
481
Smith Numbers
430
Taxicab Numbers
44
Tongue-twisters
279
892
Trinomial Triangle
37
United States
840
Vampire Numbers
111
Van Eck Sequence
38
γ
297
60
92
471
λ
187
227
96
165
568
485
π
78
53
48
558
56
τ
80
53
48
263
φ
53
46
37
256
√2
50
44
41
262
𝑒
54
43
37
208
65
74