99 Bottles of Beer
12thAbundant Numbers
23rdArrows
12thbrainfuck
13thChristmas Trees
12thDiamonds
15thDivisors
19thEmirp Numbers
13thEmojify
12thEvil Numbers
13thFibonacci
245th
14thFizz Buzz
8thFractions
13thHappy Numbers
21stIntersection
8thLeap Years
12thLevenshtein Distance
10thLeyland Numbers
10thLook and Say
20thMorse Encoder
10thNiven Numbers
20thOdious Numbers
13thOrdinal Numbers
21stPangram Grep
11thPascal’s Triangle
18thPernicious Numbers
26thPrime Numbers
20thQuine
68thRecamán
6thRule 110
6thTen-pin Bowling
11thUnited States
12th√2
30th