12 Days of Christmas
402
99 Bottles of Beer
405
Abundant Numbers
706
Arabic to Roman
411
Christmas Trees
653
CSS Colors
104
Cubes
314
Diamonds
524
Divisors
911
Emirp Numbers
494
Emojify
359
Evil Numbers
956
Fibonacci
932
Fizz Buzz
860
Happy Numbers
438
Leap Years
510
768
Levenshtein Distance
373
Leyland Numbers
731
Lucky Tickets
Morse Decoder
216
Morse Encoder
260
Niven Numbers
716
Odious Numbers
953
Ordinal Numbers
608
Pangram Grep
704
Pascal’s Triangle
399
Pernicious Numbers
378
Prime Numbers
700
Quine
945
Recamán
476
537422763283
Rock-paper-scissors-Spock-lizard
392
Roman to Arabic
627
Rule 110
9
Seven Segment
333
Sierpiński Triangle
589
Spelling Numbers
196
Tongue-twisters
296
United States
344
Vampire Numbers
67
λ
97
π
414
τ
405
φ
681
√2
721
𝑒
656