12 Days of Christmas
53rd
99 Bottles of Beer
29th
Arabic to Roman
44th
Christmas Trees
79th
Emirp Numbers
97th
Evil Numbers
122nd
Fibonacci
181st
Fizz Buzz
172nd
Happy Numbers
70th
Odious Numbers
267th92nd
Pangram Grep
Pernicious Numbers
74th
Prime Numbers
313th144th
Roman to Arabic
Seven Segment
37th
Spelling Numbers