12 Days of Christmas
20th
12th
99 Bottles of Beer
6th
5th
Abundant Numbers
23rd
17th
Arabic to Roman
24th
brainfuck
11th
Christmas Trees
11th
8th
Diamonds
25th
10th
Divisors
16th
12th
Emirp Numbers
30th
17th
Evil Numbers
13th
10th
Fibonacci
1st
13th
Fizz Buzz
1st
22nd
Happy Numbers
31st
17th
Leap Years
1st
10th
Look and Say
9th
Morse Decoder
15th
Morse Encoder
11th
Niven Numbers
1st
18th
Odious Numbers
35th
10th
Ordinal Numbers
7th
Pangram Grep
79th
7th
Pascal’s Triangle
28th
16th
Pernicious Numbers
46th
22nd
Prime Numbers
1st
23rd
Quine
81st
25th
Roman to Arabic
26th
Rule 110
20th
Seven Segment
19th
Sierpiński Triangle
42nd
15th
Spelling Numbers
6th
λ
5th
13th
π
29th
1st
τ
24th
1st
φ
1st
35th
√2
1st
1st
𝑒
1st
1st