12 Days of Christmas
43rd
99 Bottles of Beer
44th
Arabic to Roman
19th
Christmas Trees
53rd
Diamonds
35th
Divisors
38th
Emirp Numbers
32nd
Evil Numbers
61st
Fibonacci
104th
Fizz Buzz
68th
Happy Numbers
57th
Leap Years
27th
Niven Numbers
38th
Odious Numbers
56th
Pangram Grep
33rd
Pascalβs Triangle
3rd
Pernicious Numbers
85th
Prime Numbers
80th
Seven Segment
24th