12 Days of Christmas
7th
99 Bottles of Beer
18th
9th
Arabic to Roman
101st
brainfuck
21st
Christmas Trees
27th
14th
193rd
Divisors
105th10th
86th
7th
118th18th
Emirp Numbers
8th
23rd
72nd27th
Evil Numbers
24th
94th
17th
397th21st
Fibonacci
17th
1st
6th
55th
66th
Fizz Buzz
2nd175th19th
16th1st39th
92nd
894th
80th
Happy Numbers
7th
21st
Leap Years
36th
15th41st
74th
22nd
7th
Niven Numbers
13th
39th
Odious Numbers
24th
92nd
19th
301st24th
Pangram Grep
12th
11th
10th
309th19th
Pascal’s Triangle
17th
128th
12th
Pernicious Numbers
23rd
41st
Prime Numbers
14th
100th
29th25th21st
500th19th138th
21st
Quine
1st25th23rd1st27th
30th
1st
1st5th72nd14th34th
Roman to Arabic
102nd
21st
Rule 110
4th
Seven Segment
8th
Sierpiński Triangle
7th
21st
12th
Spelling Numbers
1st
14th
π
73rd
τ
54th
φ
64th
𝑒
61st
149th