12 Days of Christmas
26th12th
99 Bottles of Beer
7th6th
Abundant Numbers
26th21st
Arabic to Roman
31st
brainfuck
13th
Christmas Trees
12th9th
Diamonds
26th11th
Divisors
19th14th
Emirp Numbers
34th19th
Evil Numbers
14th12th
Fibonacci
1st15th
Fizz Buzz
1st27th
Happy Numbers
36th20th
Leap Years
1st10th
Look and Say
15th
Morse Decoder
18th
Morse Encoder
13th
Niven Numbers
1st21st
Odious Numbers
39th12th
Ordinal Numbers
6th
Pangram Grep
99th7th
Pascal’s Triangle
32nd20th
Pernicious Numbers
55th26th
Prime Numbers
1st29th
Quine
101st30th
Roman to Arabic
34th
Rule 110
21st
Seven Segment
21st
Sierpiński Triangle
47th15th
Spelling Numbers
6th
λ
5th15th
π
44th1st
τ
32nd1st
φ
1st43rd
√2
1st1st
𝑒
1st1st