12 Days of Christmas
7th
99 Bottles of Beer
11th
9th
Arabic to Roman
7th
8th
Christmas Trees
16th
26th
9th
Divisors
29th
36th
22nd
Emirp Numbers
9th
18th
14th
Evil Numbers
39th
27th
22nd
Fibonacci
657th
30th
37th
76th
Fizz Buzz
8th
432nd
16th
Happy Numbers
30th
19th
20th
Morse Decoder
12th
Morse Encoder
8th
10th
Niven Numbers
14th
Odious Numbers
33rd
28th
17th
Pangram Grep
14th
16th
Pascal’s Triangle
40th
Pernicious Numbers
38th
Prime Numbers
108th
71st
20th
29th
472nd
23rd
Quine
1st
68th
4th
62nd
Roman to Arabic
96th
22nd
Seven Segment
13th
10th
Sierpiński Triangle
15th
28th
Spelling Numbers
12th
π
39th
10th
361st
25th
τ
31st
7th
16th
φ
30th
10th
20th
𝑒
26th
10th
28th