12 Days of Christmas
19th
99 Bottles of Beer
44th21st
Abundant Numbers
8th
brainfuck
Christmas Trees
13th
CSS Colors
41st
Cubes
37th
Diamonds
54th13th
52nd
Divisors
19th
Emirp Numbers
23rd
Emojify
20th
Evil Numbers
10th
Fibonacci
297th102nd
Fizz Buzz
56th
771st
Happy Numbers
34th
Intersection
44th40th
50th
Leyland Numbers
36th
Morse Decoder
13th
Morse Encoder
22nd
Ordinal Numbers
11th
Pascal’s Triangle
13th
Pernicious Numbers
61st34th
74th
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