12 Days of Christmas
7th
99 Bottles of Beer
18th
9th
Arabic to Roman
100th
brainfuck
20th
Christmas Trees
27th
14th
190th
Divisors
102nd10th
86th
7th
115th18th
Emirp Numbers
8th
23rd
70th27th
Evil Numbers
24th
92nd
17th
389th21st
Fibonacci
17th
1st
6th
55th
64th
Fizz Buzz
2nd174th19th
16th1st38th
91st
889th
79th
Happy Numbers
7th
21st
Leap Years
36th
15th40th
70th
22nd
7th
Niven Numbers
13th
39th
Odious Numbers
24th
90th
19th
295th24th
Pangram Grep
12th
11th
10th
305th17th
Pascal’s Triangle
17th
128th
12th
Pernicious Numbers
23rd
40th
Prime Numbers
14th
99th
31st25th21st
491st19th136th
21st
Quine
1st25th30th1st27th
30th
1st
1st5th70th13th28th
Roman to Arabic
102nd
20th
Rule 110
4th
Seven Segment
8th
Sierpiński Triangle
6th
21st
12th
Spelling Numbers
1st
14th
π
72nd
τ
53rd
φ
64th
𝑒
61st
145th