12 Days of Christmas
7th
99 Bottles of Beer
13th
9th
Arabic to Roman
9th
8th
Christmas Trees
17th28th
10th
Divisors
31st39th
23rd
Emirp Numbers
9th19th
15th
Evil Numbers
42nd28th
23rd
Fibonacci
713th
34th42nd
85th
Fizz Buzz
8th
501st17th
Happy Numbers
32nd22nd
20th
Morse Decoder
12th
Morse Encoder
11th
10th
Niven Numbers
14th
Odious Numbers
35th29th
19th
Pangram Grep
14th
17th
Pascal’s Triangle
41st
Pernicious Numbers
40th
Prime Numbers
116th82nd21st34th534th26th
Quine
1st
74th5th
67th
Roman to Arabic
108th
23rd
Seven Segment
12th
10th
Sierpiński Triangle
16th
28th
Spelling Numbers
12th
π
44th13th423rd26th
τ
36th10th
17th
φ
34th13th
20th
𝑒
31st15th
29th