12 Days of Christmas
10th
99 Bottles of Beer
15th
10th
Arabic to Roman
10th
7th
Christmas Trees
17th29th
11th
Divisors
31st40th
11th
Emirp Numbers
10th20th
13th
Evil Numbers
42nd28th
21st
Fibonacci
736th
36th42nd
66th
Fizz Buzz
9th
555th33rd
Happy Numbers
29th18th
18th
Morse Decoder
12th
Morse Encoder
11th
10th
Niven Numbers
35th
Odious Numbers
36th29th
24th
Pangram Grep
15th
17th
Pascal’s Triangle
32nd
Pernicious Numbers
28th
Prime Numbers
122nd84th23rd34th563rd18th
Quine
1st
77th5th
33rd
Roman to Arabic
116th
23rd
Seven Segment
12th
10th
Sierpiński Triangle
17th
28th
Spelling Numbers
12th
π
44th16th458th29th
τ
36th12th
19th
φ
34th16th
24th
𝑒
32nd18th
30th