12 Days of Christmas
10th
99 Bottles of Beer
15th
10th
Arabic to Roman
10th
7th
Christmas Trees
17th29th
11th
Divisors
31st39th
11th
Emirp Numbers
9th20th
13th
Evil Numbers
42nd28th
21st
Fibonacci
720th
34th42nd
65th
Fizz Buzz
8th
548th32nd
Happy Numbers
29th18th
18th
Morse Decoder
12th
Morse Encoder
11th
10th
Niven Numbers
35th
Odious Numbers
36th29th
24th
Pangram Grep
14th
17th
Pascal’s Triangle
32nd
Pernicious Numbers
27th
Prime Numbers
117th83rd21st34th550th17th
Quine
1st
75th5th
33rd
Roman to Arabic
112th
23rd
Seven Segment
12th
10th
Sierpiński Triangle
16th
28th
Spelling Numbers
12th
π
44th16th442nd29th
τ
36th12th
19th
φ
34th16th
24th
𝑒
31st18th
30th