12 Days of Christmas
19th
99 Bottles of Beer
44th21st
Abundant Numbers
10th
brainfuck
Christmas Trees
13th
CSS Colors
41st
Cubes
37th
Diamonds
55th13th
54th
Divisors
19th
Emirp Numbers
23rd
Emojify
20th
Evil Numbers
10th
Fibonacci
298th102nd
Fizz Buzz
56th
772nd
Happy Numbers
34th
Intersection
45th40th
51st
Leyland Numbers
36th
Morse Decoder
13th
Morse Encoder
22nd
Ordinal Numbers
11th
Pascal’s Triangle
13th
Pernicious Numbers
62nd35th
76th
Quine
1st
Rock-paper-scissors-Spock-lizard
14th
Roman to Arabic
27th
Rule 110
10th
Seven Segment
14th
Sierpiński Triangle
14th
Spelling Numbers
11th
Tongue-twisters
75th16th
United States
25th
λ
18th
π
26th
τ
24th
φ
24th
√2
3rd
26th1st
1st15th