12 Days of Christmas
545th
99 Bottles of Beer
603rd
Abundant Numbers
594th
Arabic to Roman
295th
Christmas Trees
432nd
Diamonds
247th
Divisors
976th
Emirp Numbers
281st
Evil Numbers
1,029th
Fibonacci
1,225th
Fizz Buzz
1,916th
Happy Numbers
325th
Leap Years
516th
Niven Numbers
656th
Odious Numbers
751st
Ordinal Numbers
178th
Pangram Grep
541st
Pascal’s Triangle
514th
Pernicious Numbers
424th
Prime Numbers
769th
Quine
63rd