12 Days of Christmas
25th12th
99 Bottles of Beer
8th6th
Abundant Numbers
29th21st
Arabic to Roman
32nd
brainfuck
12th
Christmas Trees
12th10th
Diamonds
28th11th
Divisors
19th14th
Emirp Numbers
35th19th
Evil Numbers
16th12th
Fibonacci
1st16th
Fizz Buzz
1st28th
Happy Numbers
36th21st
Leap Years
6th10th
Look and Say
15th
Morse Decoder
19th
Morse Encoder
14th
Niven Numbers
1st22nd
Odious Numbers
43rd12th
Ordinal Numbers
6th
Pangram Grep
103rd8th
Pascal’s Triangle
34th21st
Pernicious Numbers
58th27th
Prime Numbers
1st30th
Quine
103rd33rd
Roman to Arabic
35th
Rule 110
22nd
Seven Segment
21st
Sierpiński Triangle
52nd15th
Spelling Numbers
7th
λ
7th15th
π
45th1st
τ
33rd1st
φ
1st46th
√2
1st1st
𝑒
1st1st