12 Days of Christmas
14th
99 Bottles of Beer
20th
Abundant Numbers
74th
Arabic to Roman
9th
brainfuck
8th
Christmas Trees
31st
Diamonds
16th
Divisors
91st
Emirp Numbers
33rd
Evil Numbers
30th
Fibonacci
70th
Fizz Buzz
87th332nd
Happy Numbers
37th
Leap Years
92nd
Niven Numbers
48th
Odious Numbers
30th
Ordinal Numbers
17th
Pangram Grep
36th
Pascal’s Triangle
44th
Pernicious Numbers
43rd
Prime Numbers
79th
Quine
80th
Roman to Arabic
33rd
Rule 110
22nd
Seven Segment
16th
Sierpiński Triangle
23rd
Spelling Numbers
8th
π
32nd
𝑒
33rd