12 Days of Christmas
887
212
99 Bottles of Beer
590
Abundant Numbers
750
Abundant Numbers (Long)
890
Arabic to Roman
642
Arithmetic Numbers
866
Arrows
538
Ascending Primes
239
ASCII Table
596
brainfuck
631
Card Number Validation
378
Catalan Numbers
504
Catalan’s Constant
43
70
91
Christmas Trees
132
360
693
526
Collatz
805
913
810
Cubes
26
33
892
Day of Week
824
Diamonds
494
Divisors
905
Emirp Numbers
617
Emirp Numbers (Long)
681
Emojify
293
Evil Numbers
770
Evil Numbers (Long)
754
Farey Sequence
20
Fibonacci
952919
542929981
987
924
Fizz Buzz
139
47701
977
951
Foo Fizz Buzz Bar
835
755
Forsyth–Edwards Notation
676
Fractions
553
Gijswijt’s Sequence
54
Happy Numbers
759
629
Happy Numbers (Long)
863
Intersection
648
Inventory Sequence
8
20
473
ISBN
729
Kaprekar Numbers
300
Kolakoski Constant
39
69
Kolakoski Sequence
772
Leap Years
848
Leyland Numbers
724
ln 2
58
Look and Say
713
Lucky Numbers
664
N Queens
205
Niven Numbers
921
Niven Numbers (Long)
857
Number Spiral
130
247
390
Odious Numbers
768
Odious Numbers (Long)
767
Ordinal Numbers
564
PalindromemordnilaP
877
430
Pangram Grep
708
Partition Numbers
121
Pascal’s Triangle
711
Pernicious Numbers
686
Pernicious Numbers (Long)
766
Polyominoes
70
53
Prime Numbers
561
173634339
261
892
575
Prime Numbers (Long)
952
Quine
178
891
674
Recamán
693
Reverse Polish Notation
325
Rijndael S-box
156
253
Roman to Arabic
546
ROT13
833
Rule 110
447
Sierpiński Triangle
417
Smith Numbers
399
Tic-tac-toe
282
Tongue-twisters
515
United States
328
Vampire Numbers
709
Van Eck Sequence
552
γ
46
75
λ
507502493506
165202155178231511109
161492159172251
π
474
τ
464
φ
698
√2
707
𝑒
522