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
42nd29th
21st
Fibonacci
745th
37th43rd
67th
Fizz Buzz
9th
570th33rd
Happy Numbers
29th18th
18th
Morse Decoder
12th
Morse Encoder
11th
10th
Niven Numbers
36th
Odious Numbers
37th30th
24th
Pangram Grep
15th
18th
Pascal’s Triangle
32nd
Pernicious Numbers
28th
Prime Numbers
125th85th24th34th574th18th
Quine
1st
78th5th
34th
Roman to Arabic
119th
24th
Seven Segment
12th
10th
Sierpiński Triangle
17th
28th
Spelling Numbers
12th
π
45th16th472nd29th
τ
36th12th
19th
φ
35th16th
24th
𝑒
32nd18th
30th