12 Days of Christmas
48th
99 Bottles of Beer
51st
Arabic to Roman
27th
Christmas Trees
62nd
Diamonds
46th
Divisors
46th
Emirp Numbers
37th
Evil Numbers
70th
Fibonacci
125th
Fizz Buzz
83rd
Happy Numbers
66th
Leap Years
31st
Niven Numbers
44th
Odious Numbers
65th
Pangram Grep
39th
Pascal’s Triangle
3rd
Pernicious Numbers
99th
Prime Numbers
89th
Seven Segment
26th