12 Days of Christmas
42nd
99 Bottles of Beer
41st
Arabic to Roman
22nd
Christmas Trees
54th
Diamonds
38th
Divisors
41st
Emirp Numbers
116th
Evil Numbers
66th
Fibonacci
119th
Fizz Buzz
79th
Happy Numbers
58th
Leap Years
29th
Niven Numbers
42nd
Odious Numbers
61st
Pangram Grep
38th
Pascal’s Triangle
1st
Pernicious Numbers
94th
Prime Numbers
86th
Seven Segment
22nd