12 Days of Christmas
22nd
99 Bottles of Beer
43rd19th
Abundant Numbers
brainfuck
Christmas Trees
13th
CSS Colors
36th
Cubes
Diamonds
49th
52nd
Divisors
17th
Emirp Numbers
19th
Emojify
11th
Evil Numbers
13th
Fibonacci
265th88th
Fizz Buzz
50th
724th
Happy Numbers
Intersection
43rd31st
52nd
Leyland Numbers
29th
Morse Decoder
12th
Morse Encoder
20th
Ordinal Numbers
9th
Pascal’s Triangle
9th
Pernicious Numbers
51st29th
69th
Quine
1st
Rock-paper-scissors-Spock-lizard
15th
Roman to Arabic
25th
Rule 110
Seven Segment
Sierpiński Triangle
12th
Spelling Numbers
9th
Tongue-twisters
13th8th
United States
24th
λ
18th
π
22nd
τ
20th
φ
20th
√2
3rd
20th17th
1st15th