Abundant Numbers
1,933rd
12th
Diamonds
1,039th
Divisors
1,685th19th
Emirp Numbers
516th
Evil Numbers
2,265th1st
Evil Numbers (Long)
1st
Fibonacci
3,766th
8,346th
4,035th1st
Fizz Buzz
133rd16th
Foo Fizz Buzz Bar
5th
Fractions
948th170th
Happy Numbers
1,248th1st
Happy Numbers (Long)
1,005th16th
ISBN
50th
Kolakoski Sequence
1,175th1st
Leap Years
1,294th
762nd9th
Look and Say
491st57th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
3,259th1st
Odious Numbers (Long)
1st
Ordinal Numbers
924th
Pangram Grep
27th
Pascal’s Triangle
1st
Pernicious Numbers
25th
Pernicious Numbers (Long)
268th
Prime Numbers
1st
Prime Numbers (Long)
948th
1st
Reverse Polish Notation
766th
Smith Numbers
775th
Spelling Numbers
270th
Transpose Sentence
73rd
Van Eck Sequence
813th7th