12 Days of Christmas
45th
99 Bottles of Beer
44th
Arabic to Roman
25th
Christmas Trees
55th
Diamonds
38th
Divisors
39th
Emirp Numbers
35th
Evil Numbers
64th
Fibonacci
117th
Fizz Buzz
77th
Happy Numbers
62nd
Leap Years
29th
Niven Numbers
42nd
Odious Numbers
60th
Pangram Grep
36th
Pascal’s Triangle
3rd
Pernicious Numbers
94th
Prime Numbers
85th
Seven Segment
26th