12 Days of Christmas
7th
99 Bottles of Beer
13th
9th
Arabic to Roman
10th
8th
Christmas Trees
17th29th
10th
Divisors
31st40th
23rd
Emirp Numbers
10th19th
15th
Evil Numbers
42nd28th
23rd
Fibonacci
736th
36th42nd
86th
Fizz Buzz
9th
509th17th
Happy Numbers
32nd22nd
20th
Morse Decoder
12th
Morse Encoder
11th
10th
Niven Numbers
15th
Odious Numbers
36th29th
19th
Pangram Grep
15th
17th
Pascal’s Triangle
41st
Pernicious Numbers
41st
Prime Numbers
120th83rd23rd34th547th27th
Quine
1st
77th5th
68th
Roman to Arabic
112th
23rd
Seven Segment
12th
10th
Sierpiński Triangle
17th
28th
Spelling Numbers
12th
π
44th13th438th26th
τ
36th10th
17th
φ
34th13th
20th
𝑒
32nd15th
29th