12 Days of Christmas
11th
99 Bottles of Beer
19th
12th
Arabic to Roman
110th
brainfuck
23rd
Christmas Trees
29th
14th
219th
Divisors
113th11th
88th
8th
126th20th
Emirp Numbers
9th
24th
77th27th
Evil Numbers
24th
103rd
18th
433rd21st
Fibonacci
18th
1st
7th
63rd
71st
Fizz Buzz
2nd189th19th
18th1st40th
95th
949th
83rd
Happy Numbers
8th
22nd
Leap Years
38th
15th43rd
90th
26th
8th
Niven Numbers
14th
46th
Odious Numbers
24th
99th
20th
332nd25th
Pangram Grep
14th
15th
10th
332nd22nd
Pascal’s Triangle
18th
140th
12th
Pernicious Numbers
24th
47th
Prime Numbers
15th
109th
36th30th22nd
529th20th148th
25th
Quine
1st26th28th1st29th
45th
1st
1st6th92nd16th1st
Roman to Arabic
107th
23rd
Rule 110
5th
Seven Segment
10th
Sierpiński Triangle
8th
23rd
12th
Spelling Numbers
1st
16th
π
80th
τ
60th
φ
70th
𝑒
67th
173rd