12 Days of Christmas
45th
99 Bottles of Beer
46th
Arabic to Roman
24th
Christmas Trees
60th
Diamonds
45th
Divisors
46th
Emirp Numbers
119th
Evil Numbers
70th
Fibonacci
125th
Fizz Buzz
83rd
Happy Numbers
62nd
Leap Years
31st
Niven Numbers
44th
Odious Numbers
65th
Pangram Grep
39th
Pascal’s Triangle
1st
Pernicious Numbers
99th
Prime Numbers
89th
Seven Segment
22nd