12 Days of Christmas
22nd
99 Bottles of Beer
39th
18th
Abundant Numbers
16th
brainfuck
8th
Christmas Trees
11th
CSS Colors
32nd
Cubes
31st
Diamonds
43rd
11th
47th
Divisors
15th
Emirp Numbers
16th
Emojify
9th
Evil Numbers
12th
Fibonacci
230th
78th
Fizz Buzz
38th
666th
Happy Numbers
28th
Intersection
42nd
32nd
46th
Leyland Numbers
28th
Morse Decoder
10th
Morse Encoder
21st
Ordinal Numbers
8th
Pascal’s Triangle
12th
Pernicious Numbers
44th
26th
63rd
Quine
1st
Rock-paper-scissors-Spock-lizard
14th
Roman to Arabic
21st
Rule 110
6th
Seven Segment
7th
Sierpiński Triangle
11th
Spelling Numbers
9th
Tongue-twisters
11th
7th
United States
22nd
λ
17th
π
20th
τ
17th
φ
17th
√2
3rd
19th
15th
1st
15th