12 Days of Christmas
7th
99 Bottles of Beer
13th
9th
Arabic to Roman
10th
8th
Christmas Trees
17th29th
10th
Divisors
31st39th
23rd
Emirp Numbers
9th19th
15th
Evil Numbers
42nd28th
23rd
Fibonacci
720th
34th42nd
85th
Fizz Buzz
8th
505th17th
Happy Numbers
32nd22nd
20th
Morse Decoder
12th
Morse Encoder
11th
10th
Niven Numbers
15th
Odious Numbers
36th29th
19th
Pangram Grep
14th
17th
Pascal’s Triangle
41st
Pernicious Numbers
40th
Prime Numbers
117th83rd21st34th537th26th
Quine
1st
75th5th
67th
Roman to Arabic
109th
23rd
Seven Segment
12th
10th
Sierpiński Triangle
16th
28th
Spelling Numbers
12th
π
44th13th424th26th
τ
36th10th
17th
φ
34th13th
20th
𝑒
31st15th
29th