12 Days of Christmas
11th
99 Bottles of Beer
17th
11th
Arabic to Roman
10th
9th
Christmas Trees
17th30th
12th
Divisors
37th41st
13th
Emirp Numbers
12th22nd
13th
Evil Numbers
51st30th
22nd
Fibonacci
804th
41st47th
79th
Fizz Buzz
9th
639th35th
Happy Numbers
32nd19th
19th
Morse Decoder
14th
13th
Morse Encoder
12th
10th
Niven Numbers
38th
Odious Numbers
45th32nd
26th
Pangram Grep
18th
22nd
Pascal’s Triangle
36th
Pernicious Numbers
34th
Prime Numbers
143rd93rd27th38th636th22nd
Quine
1st
88th6th
39th
Roman to Arabic
128th
32nd
Seven Segment
16th
12th
Sierpiński Triangle
19th
29th
Spelling Numbers
12th
π
57th17th502nd29th
τ
47th14th
20th
φ
43rd16th
25th
𝑒
40th19th
30th