12 Days of Christmas
82nd
99 Bottles of Beer
63rd
Christmas Trees
66th
Cubes
33rd
Diamonds
47th
Divisors
78th
Emirp Numbers
75th
Evil Numbers
93rd
Fibonacci
201st
Fizz Buzz
333rd141st
Happy Numbers
67th
Leap Years
85th
Niven Numbers
71st
Odious Numbers
76th
Ordinal Numbers
51st
Pangram Grep
45th
Pascalβs Triangle
72nd
Pernicious Numbers
79th
Prime Numbers
53rd
Quine
188th