12 Days of Christmas
24th
99 Bottles of Beer
320th
44th
Abundant Numbers
37th
Arabic to Roman
37th
brainfuck
45th
Christmas Trees
4th
CSS Colors
21st
Cubes
30th
Diamonds
56th
Divisors
443rd
1st
39th
Emirp Numbers
28th38th100th18th67th28th43rd222nd37th44th23rd44th50th617th74th
Emojify
22nd
Evil Numbers
800th
24th
Fibonacci
118th103rd
Fizz Buzz
9th
1,788th
1st
Happy Numbers
501st
71st
Leap Years
29th
Leyland Numbers
48th
Morse Decoder
17th
Morse Encoder
22nd
Niven Numbers
42nd
Odious Numbers
21st
Ordinal Numbers
48th
Pangram Grep
37th
Pascal’s Triangle
32nd
Pernicious Numbers
60th
Poker
18th
Prime Numbers
24th
Quine
1st
645th
109th
Rock-paper-scissors-Spock-lizard
38th
Roman to Arabic
51st
Rule 110
43rd
Seven Segment
28th
Sierpiński Triangle
24th
Spelling Numbers
22nd
Ten-pin Bowling
17th
Tongue-twisters
36th
United States
λ
27th
π
26th
τ
17th
φ
49th
√2
38th
𝑒
50th