12 Days of Christmas
14th
99 Bottles of Beer
20th
Abundant Numbers
68th
Arabic to Roman
8th
brainfuck
8th
Christmas Trees
31st
Diamonds
16th
Divisors
86th
Emirp Numbers
33rd
Evil Numbers
30th
Fibonacci
66th
Fizz Buzz
85th324th
Happy Numbers
37th
Leap Years
90th
Niven Numbers
46th
Odious Numbers
29th
Ordinal Numbers
16th
Pangram Grep
34th
Pascal’s Triangle
43rd
Pernicious Numbers
41st
Prime Numbers
74th
Quine
78th
Roman to Arabic
27th
Rule 110
22nd
Seven Segment
15th
Sierpiński Triangle
22nd
Spelling Numbers
8th
π
30th
𝑒
32nd