12 Days of Christmas
7th
99 Bottles of Beer
18th
9th
Arabic to Roman
97th
brainfuck
20th
Christmas Trees
27th
13th
185th
Divisors
97th10th
81st
7th
108th18th
Emirp Numbers
8th
23rd
70th27th
Evil Numbers
24th
89th
16th
373rd21st
Fibonacci
17th
1st
5th
55th
62nd
Fizz Buzz
2nd170th19th
15th1st38th
89th
874th
76th
Happy Numbers
7th
20th
Leap Years
36th
15th38th
65th
22nd
7th
Niven Numbers
13th
35th
Odious Numbers
24th
85th
18th
276th24th
Pangram Grep
10th
11th
10th
295th18th
Pascal’s Triangle
17th
121st
11th
Pernicious Numbers
21st
38th
Prime Numbers
14th
95th
30th24th21st
479th18th133rd
20th
Quine
1st25th30th1st26th
29th
1st
1st5th63rd12th1st
Roman to Arabic
101st
19th
Rule 110
4th
Seven Segment
8th
Sierpiński Triangle
6th
21st
12th
Spelling Numbers
1st
14th
π
69th
τ
50th
φ
60th
𝑒
59th
136th