12 Days of Christmas
810
811
99 Bottles of Beer
775
Abundant Numbers
460
ASCII Table
308
brainfuck
361
Catalan’s Constant
110
Christmas Trees
153
Collatz
689
899
CSS Colors
309
Cubes
54
Diamonds
69
Divisors
810
Emirp Numbers
641
Emojify
562
Evil Numbers
539
Fibonacci
850
Fizz Buzz
855
927
960
Happy Numbers
593
ISBN
643
773
Kolakoski Constant
108
Leap Years
848
Levenshtein Distance
611
Leyland Numbers
77
Lucky Numbers
859
Lucky Tickets
Morse Encoder
255
Niven Numbers
867
Odious Numbers
535
Ordinal Numbers
714
Pangram Grep
587152
Pascal’s Triangle
540
Prime Numbers
692
585
Quine
967519
946
Recamán
451
946
Rock-paper-scissors-Spock-lizard
478
Roman to Arabic
618
Sierpiński Triangle
158
Smith Numbers
341
Tongue-twisters
869
United States
473
Vampire Numbers
107
Van Eck Sequence
617
λ
501
424
π
96
τ
94
φ
95
√2
90
𝑒
61