12 Days of Christmas
87th
99 Bottles of Beer
65th
Christmas Trees
68th
Cubes
36th
Diamonds
49th
Divisors
81st
Emirp Numbers
80th
Evil Numbers
96th
Fibonacci
208th
Fizz Buzz
341st147th
Happy Numbers
71st
Leap Years
87th
Niven Numbers
76th
Odious Numbers
79th
Ordinal Numbers
55th
Pangram Grep
46th
Pascal’s Triangle
77th
Pernicious Numbers
85th
Prime Numbers
60th
Quine
194th