12 Days of Christmas
43rd
99 Bottles of Beer
45th
Arabic to Roman
20th
Christmas Trees
54th
Diamonds
35th
Divisors
38th
Emirp Numbers
33rd
Evil Numbers
61st
Fibonacci
108th
Fizz Buzz
70th
Happy Numbers
58th
Leap Years
28th
Niven Numbers
38th
Odious Numbers
56th
Pangram Grep
33rd
Pascalβs Triangle
3rd
Pernicious Numbers
85th
Prime Numbers
80th
Seven Segment
25th