12 Days of Christmas
43rd
99 Bottles of Beer
43rd
Arabic to Roman
22nd
Christmas Trees
57th
Diamonds
41st
Divisors
42nd
Emirp Numbers
117th
Evil Numbers
67th
Fibonacci
120th
Fizz Buzz
80th
Happy Numbers
58th
Leap Years
29th
Niven Numbers
42nd
Odious Numbers
62nd
Pangram Grep
38th
Pascal’s Triangle
1st
Pernicious Numbers
96th
Prime Numbers
86th
Seven Segment
22nd