12 Days of Christmas
41st
99 Bottles of Beer
42nd
Arabic to Roman
21st
Christmas Trees
53rd
Diamonds
35th
Divisors
39th
Emirp Numbers
111th
Evil Numbers
63rd
Fibonacci
110th
Fizz Buzz
76th
Happy Numbers
54th
Leap Years
29th
Niven Numbers
41st
Odious Numbers
59th
Pangram Grep
36th
Pascal’s Triangle
1st
Pernicious Numbers
91st
Prime Numbers
82nd
Seven Segment
22nd