12 Days of Christmas
44th
99 Bottles of Beer
45th
Arabic to Roman
22nd
Christmas Trees
60th
Diamonds
41st
Divisors
44th
Emirp Numbers
118th
Evil Numbers
69th
Fibonacci
121st
Fizz Buzz
81st
Happy Numbers
59th
Leap Years
30th
Niven Numbers
43rd
Odious Numbers
64th
Pangram Grep
39th
Pascal’s Triangle
1st
Pernicious Numbers
97th
Prime Numbers
89th
Seven Segment
22nd