12 Days of Christmas
29th
99 Bottles of Beer
53rd
Abundant Numbers
55th31st
Arabic to Roman
15th
brainfuck
19th
Christmas Trees
88th
CSS Colors
24th12th
Cubes
22nd
Diamonds
28th
Divisors
30th
Emirp Numbers
42nd
Emojify
Evil Numbers
88th
Fibonacci
117th
Fizz Buzz
1st
Happy Numbers
44th
Leap Years
7th13th12th1st18th
Leyland Numbers
28th
Look and Say
40th
Lucky Tickets
29th
Morse Decoder
Morse Encoder
14th
Niven Numbers
60th30th
1st35th
Odious Numbers
84th
Ordinal Numbers
Pangram Grep
62nd
Pascal’s Triangle
68th
Pernicious Numbers
53rd
Poker
Prime Numbers
100th
Quine
29th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
55th
Rule 110
49th
Seven Segment
16th
Sierpiński Triangle
35th14th
Spelling Numbers
44th
Ten-pin Bowling
Tongue-twisters
38th
United States
λ
64th
π
57th
τ
51st
φ
42nd
√2
45th
𝑒
51st