12 Days of Christmas
341st
Christmas Trees
284th
Divisors
83rd
Emirp Numbers
63rd
Evil Numbers
146th
119th
Fibonacci
269th1,700th
Fizz Buzz
1st
Happy Numbers
58th
Leap Years
238th
Niven Numbers
1st
Odious Numbers
118th
Pangram Grep
93rd
Pascal’s Triangle
97th
Pernicious Numbers
67th
Prime Numbers
117th
Seven Segment
66th