12 Days of Christmas
10th
99 Bottles of Beer
15th
10th
Arabic to Roman
10th
7th
Christmas Trees
17th29th
11th
Divisors
33rd40th
11th
Emirp Numbers
10th20th
13th
Evil Numbers
45th30th
21st
Fibonacci
770th
38th44th
73rd
Fizz Buzz
9th
591st33rd
Happy Numbers
30th19th
18th
Morse Decoder
13th
Morse Encoder
11th
10th
Niven Numbers
36th
Odious Numbers
39th31st
24th
Pangram Grep
15th
20th
Pascal’s Triangle
33rd
Pernicious Numbers
29th
Prime Numbers
131st85th24th35th600th19th
Quine
1st
81st5th
37th
Roman to Arabic
123rd
27th
Seven Segment
12th
10th
Sierpiński Triangle
18th
28th
Spelling Numbers
12th
π
51st16th494th29th
τ
40th12th
19th
φ
38th16th
24th
𝑒
35th19th
30th