12 Days of Christmas
46th
99 Bottles of Beer
48th
Arabic to Roman
25th
Christmas Trees
59th
Diamonds
41st
Divisors
42nd
Emirp Numbers
36th
Evil Numbers
67th
Fibonacci
120th
Fizz Buzz
80th
Happy Numbers
63rd
Leap Years
29th
Niven Numbers
42nd
Odious Numbers
62nd
Pangram Grep
38th
Pascal’s Triangle
3rd
Pernicious Numbers
96th
Prime Numbers
86th
Seven Segment
26th