12 Days of Christmas
26th12th
99 Bottles of Beer
8th6th
Abundant Numbers
31st21st
Arabic to Roman
34th
brainfuck
13th
Christmas Trees
12th10th
Diamonds
31st11th
Divisors
20th15th
Emirp Numbers
36th19th
Evil Numbers
16th12th
Fibonacci
1st17th
Fizz Buzz
1st28th
Happy Numbers
39th21st
Leap Years
8th10th
Look and Say
15th
Morse Decoder
19th
Morse Encoder
14th
Niven Numbers
1st22nd
Odious Numbers
46th12th
Ordinal Numbers
6th
Pangram Grep
107th9th
Pascal’s Triangle
35th22nd
Pernicious Numbers
63rd33rd
Prime Numbers
1st31st
Quine
104th45th
Roman to Arabic
35th
Rule 110
25th
Seven Segment
25th
Sierpiński Triangle
52nd16th
Spelling Numbers
8th
λ
10th16th
π
51st1st
τ
36th1st
φ
1st49th
√2
1st1st
𝑒
1st1st