12 Days of Christmas
24th
99 Bottles of Beer
47th
Abundant Numbers
50th
26th
Arabic to Roman
12th
brainfuck
14th
Christmas Trees
81st
CSS Colors
21st
11th
Cubes
21st
Diamonds
25th
Divisors
26th
Emirp Numbers
40th
Evil Numbers
79th
Fibonacci
101st
Fizz Buzz
1st
Happy Numbers
38th
Leap Years
4th
11th
12th
1st
17th
Leyland Numbers
23rd
Look and Say
34th
Lucky Tickets
22nd
Morse Encoder
13th
Niven Numbers
49th
23rd
1st
28th
Odious Numbers
76th
Pangram Grep
54th
Pascal’s Triangle
57th
Pernicious Numbers
46th
Prime Numbers
86th
Quine
25th
Roman to Arabic
45th
Rule 110
44th
Seven Segment
15th
Sierpiński Triangle
33rd
13th
Spelling Numbers
40th
Tongue-twisters
30th
λ
52nd
π
46th
τ
40th
φ
35th
√2
36th
𝑒
40th