12 Days of Christmas
380
99 Bottles of Beer
359
Christmas Trees
557
Emirp Numbers
727
Fibonacci
908
Fizz Buzz
847
Happy Numbers
689
Intersection
543
Levenshtein Distance
392
Leyland Numbers
576
Look and Say
497
Lucky Tickets
370
Morse Decoder
387
Morse Encoder
510
Niven Numbers
913
Odious Numbers
766
Ordinal Numbers
546
Pangram Grep
649
Pascal’s Triangle
657
Pernicious Numbers
721
Poker
Quine
945
Recamán
752
Rock-paper-scissors-Spock-lizard
528
Sierpiński Triangle
472
United States
278
Vampire Numbers
340
λ
413
π
457
τ
446
φ
681
√2
700
𝑒
695