12 Days of Christmas
23rd
99 Bottles of Beer
40th20th
Abundant Numbers
17th
brainfuck
Christmas Trees
13th
CSS Colors
37th
Cubes
34th
Diamonds
52nd13th
55th
Divisors
19th
Emirp Numbers
20th
Emojify
11th
Evil Numbers
14th
Fibonacci
276th88th
Fizz Buzz
53rd
749th
Happy Numbers
31st
Intersection
44th35th
55th
Leyland Numbers
33rd
Morse Decoder
13th
Morse Encoder
22nd
Ordinal Numbers
10th
Pascal’s Triangle
13th
Pernicious Numbers
56th32nd
71st
Quine
1st
Rock-paper-scissors-Spock-lizard
16th
Roman to Arabic
26th
Rule 110
10th
Seven Segment
11th
Sierpiński Triangle
13th
Spelling Numbers
10th
Tongue-twisters
12th9th
United States
24th
λ
19th
π
23rd
τ
21st
φ
22nd
√2
3rd
22nd18th
1st15th