Abundant Numbers
1,972nd
12th
Diamonds
1,085th
Divisors
1,709th19th
Emirp Numbers
528th
Evil Numbers
2,310th1st
Evil Numbers (Long)
1st
Fibonacci
3,845th
8,462nd
4,114th1st
Fizz Buzz
137th16th
Foo Fizz Buzz Bar
3rd
Fractions
975th178th
Happy Numbers
1,283rd1st
Happy Numbers (Long)
1,030th16th
ISBN
55th
Kolakoski Sequence
1,191st1st
Leap Years
1,320th
985th9th
Look and Say
504th57th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
3,301st1st
Odious Numbers (Long)
1st
Ordinal Numbers
924th
Pangram Grep
27th
Pascal’s Triangle
1st
Pernicious Numbers
26th
Pernicious Numbers (Long)
272nd
Prime Numbers
2,178th
1,495th
1,891st1st735th
Prime Numbers (Long)
971st
1st
Reverse Polish Notation
777th
Smith Numbers
789th
Spelling Numbers
275th
Transpose Sentence
75th
Van Eck Sequence
824th7th