12 Days of Christmas
612th
99 Bottles of Beer
666th
Abundant Numbers
643rd
Arabic to Roman
328th
Christmas Trees
483rd
Diamonds
270th
Divisors
1,041st
Emirp Numbers
307th
Evil Numbers
1,105th
Fibonacci
1,322nd
Fizz Buzz
2,017th
Happy Numbers
355th
Leap Years
564th
Niven Numbers
712th
Odious Numbers
806th
Ordinal Numbers
196th
Pangram Grep
593rd
Pascal’s Triangle
557th
Pernicious Numbers
464th
Prime Numbers
826th
Quine
83rd