12 Days of Christmas
337th12th
99 Bottles of Beer
430th5th
Abundant Numbers
29th25th
Arabic to Roman
10th
brainfuck
175th
Christmas Trees
12th16th
Diamonds
23rd11th
Divisors
19th20th
Emirp Numbers
15th19th
Evil Numbers
16th9th
Fibonacci
1st20th
Fizz Buzz
1st33rd
Happy Numbers
20th20th
Leap Years
5th14th
Look and Say
15th
Morse Decoder
14th
Morse Encoder
21st
Niven Numbers
1st28th
Odious Numbers
41st9th
Ordinal Numbers
6th
Pangram Grep
102nd17th
Pascal’s Triangle
34th21st
Pernicious Numbers
57th29th
Prime Numbers
1st34th
Quine
103rd33rd
Roman to Arabic
33rd
Rule 110
22nd
Seven Segment
14th
Sierpiński Triangle
51st15th
Spelling Numbers
86th
λ
60th19th
π
45th1st
τ
32nd1st
φ
1st53rd
√2
1st1st
𝑒
1st1st