12 Days of Christmas
11th
99 Bottles of Beer
8th
Arabic to Roman
1st
Collatz
12th
Day of Week
12th
Evil Numbers
20th
Evil Numbers (Long)
19th
Fibonacci
12th
Fizz Buzz
28th
Foo Fizz Buzz Bar
10th
Leap Years
16th
Odious Numbers
20th
Odious Numbers (Long)
19th
Pascal’s Triangle
13th
Prime Numbers
26th
Prime Numbers (Long)
19th
Roman to Arabic
9th
Tongue-twisters
9th