12 Days of Christmas
18th
99 Bottles of Beer
41st18th
Abundant Numbers
8th
brainfuck
Christmas Trees
13th
CSS Colors
36th
Cubes
34th
Diamonds
52nd13th
49th
Divisors
18th
Emirp Numbers
20th
Emojify
19th
Evil Numbers
8th
Fibonacci
273rd88th
Fizz Buzz
50th
739th
Happy Numbers
30th
Intersection
44th35th
46th
Leyland Numbers
33rd
Morse Decoder
13th
Morse Encoder
21st
Ordinal Numbers
9th
Pascal’s Triangle
12th
Pernicious Numbers
55th31st
71st
Quine
1st
Rock-paper-scissors-Spock-lizard
13th
Roman to Arabic
26th
Rule 110
9th
Seven Segment
14th
Sierpiński Triangle
10th
Spelling Numbers
10th
Tongue-twisters
68th14th
United States
24th
λ
16th
π
22nd
τ
20th
φ
20th
√2
3rd
20th1st
1st15th