12 Days of Christmas
21st
99 Bottles of Beer
26th
Abundant Numbers
49th
ASCII Table
38th
Cubes
16th
Divisors
15th
Emirp Numbers
42nd
Emojify
17th
Evil Numbers
70th
Fibonacci
102nd
Fizz Buzz
308th
Fractions
19th
Intersection
14th
Leap Years
22nd
Levenshtein Distance
12th
Niven Numbers
34th
Odious Numbers
61st
Pangram Grep
5th
Pascal’s Triangle
77th
Pernicious Numbers
58th
Prime Numbers
19th
Quine
24th
Recamán
23rd
Rule 110
23rd
Seven Segment
15th
Spelling Numbers
7th
Tongue-twisters
27th
United States
24th