12 Days of Christmas
74th
99 Bottles of Beer
32nd
Abundant Numbers
85th
Divisors
105th
Evil Numbers
102nd
Evil Numbers (Long)
65th
Fibonacci
160th
Fizz Buzz
32nd54th
Leap Years
149th
Niven Numbers
83rd
Odious Numbers
85th
Odious Numbers (Long)
60th
Pascal’s Triangle
44th
Prime Numbers
61st
Quine
1st23rd
821st
Recamán
39th
Tongue-twisters
49th