12 Days of Christmas
828
817
99 Bottles of Beer
785
Abundant Numbers
570
ASCII Table
323
brainfuck
401
Card Number Validation
529
Catalan’s Constant
120
Christmas Trees
545
Collatz
731
919
CSS Colors
361
Cubes
59
Diamonds
74
Divisors
852
Emirp Numbers
696
Emojify
621
Evil Numbers
576
Fibonacci
882
Fizz Buzz
887
951
967
Happy Numbers
631
ISBN
932
798
Kolakoski Constant
118
Leap Years
886
Levenshtein Distance
636
Leyland Numbers
85
Lucky Numbers
887
Lucky Tickets
Morse Encoder
287
Niven Numbers
907
Odious Numbers
574
Ordinal Numbers
757
Pangram Grep
705162
Pascal’s Triangle
589
Prime Numbers
741
597
Quine
1,000542
969
Recamán
473
968
Rock-paper-scissors-Spock-lizard
494
Roman to Arabic
821
ROT13
935
Sierpiński Triangle
169
Smith Numbers
355
Tongue-twisters
897
United States
484
Vampire Numbers
117
Van Eck Sequence
672
λ
545
436
π
102
τ
102
φ
103
√2
97
𝑒
65