12 Days of Christmas
279th
12th
99 Bottles of Beer
371st
4th
Abundant Numbers
23rd
20th
Arabic to Roman
7th
brainfuck
130th
Christmas Trees
11th
13th
Diamonds
21st
10th
Divisors
16th
17th
Emirp Numbers
14th
17th
Evil Numbers
13th
7th
Fibonacci
1st
16th
Fizz Buzz
1st
26th
Happy Numbers
15th
16th
Leap Years
1st
12th
Look and Say
9th
Morse Decoder
11th
Morse Encoder
18th
Niven Numbers
1st
22nd
Odious Numbers
35th
7th
Ordinal Numbers
7th
Pangram Grep
79th
13th
Pascal’s Triangle
28th
17th
Pernicious Numbers
46th
23rd
Prime Numbers
1st
25th
Quine
81st
25th
Roman to Arabic
25th
Rule 110
20th
Seven Segment
11th
Sierpiński Triangle
42nd
15th
Spelling Numbers
66th
λ
41st
14th
π
29th
1st
τ
24th
1st
φ
1st
41st
√2
1st
1st
𝑒
1st
1st