12 Days of Christmas
7th
99 Bottles of Beer
18th
9th
Arabic to Roman
99th
brainfuck
20th
Christmas Trees
27th
13th
186th
Divisors
98th10th
83rd
7th
111th18th
Emirp Numbers
8th
23rd
70th27th
Evil Numbers
24th
90th
17th
379th21st
Fibonacci
17th
1st
6th
55th
63rd
Fizz Buzz
2nd171st19th
15th1st38th
91st
879th
77th
Happy Numbers
7th
21st
Leap Years
36th
15th39th
66th
22nd
7th
Niven Numbers
13th
37th
Odious Numbers
24th
86th
19th
285th24th
Pangram Grep
11th
11th
10th
298th17th
Pascal’s Triangle
17th
125th
11th
Pernicious Numbers
21st
38th
Prime Numbers
14th
97th
31st25th21st
483rd18th134th
21st
Quine
1st25th30th1st27th
30th
1st
1st5th67th12th1st
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
60th
138th