12 Days of Christmas
834
99 Bottles of Beer
628
Christmas Trees
642
Emirp Numbers
875
Fibonacci
911
Fizz Buzz
929
Happy Numbers
893
Intersection
745
Levenshtein Distance
503
Leyland Numbers
683
Look and Say
616
Lucky Tickets
492
Morse Decoder
562
Morse Encoder
736
Niven Numbers
921
Odious Numbers
769
Ordinal Numbers
681
Pangram Grep
771
Pascal’s Triangle
712
Pernicious Numbers
724
Poker
Quine
947
Recamán
840
Rock-paper-scissors-Spock-lizard
765
Sierpiński Triangle
495
United States
376
Vampire Numbers
464
λ
679
π
513
τ
502
φ
699
√2
707
𝑒
701