12 Days of Christmas
351st
Christmas Trees
290th
Divisors
86th
Emirp Numbers
64th
Evil Numbers
151st
123rd
Fibonacci
275th1,738th
Fizz Buzz
1st
Happy Numbers
59th
Leap Years
245th
Niven Numbers
1st
Odious Numbers
124th
Pangram Grep
100th
Pascal’s Triangle
100th
Pernicious Numbers
68th
Prime Numbers
121st
Seven Segment
68th