12 Days of Christmas
48th
99 Bottles of Beer
51st
Arabic to Roman
26th
Christmas Trees
62nd
Diamonds
44th
Divisors
44th
Emirp Numbers
36th
Evil Numbers
69th
Fibonacci
121st
Fizz Buzz
81st
Happy Numbers
64th
Leap Years
30th
Niven Numbers
44th
Odious Numbers
64th
Pangram Grep
39th
Pascal’s Triangle
3rd
Pernicious Numbers
98th
Prime Numbers
89th
Seven Segment
26th