12 Days of Christmas
371st
Christmas Trees
297th
Divisors
90th
Emirp Numbers
68th
Evil Numbers
162nd
131st
Fibonacci
302nd1,827th
Fizz Buzz
1st
Happy Numbers
65th
Leap Years
275th
Niven Numbers
1st
Odious Numbers
133rd
Pangram Grep
107th
Pascal’s Triangle
114th
Pernicious Numbers
80th
Prime Numbers
133rd
Seven Segment
76th