Abundant Numbers
1,901st
12th
Diamonds
1,018th
Divisors
1,658th19th
Emirp Numbers
510th
Evil Numbers
2,230th1st
Evil Numbers (Long)
1st
Fibonacci
3,678th
8,201st
3,936th1st
Fizz Buzz
133rd16th
Foo Fizz Buzz Bar
5th
Fractions
928th163rd
Happy Numbers
1,233rd1st
Happy Numbers (Long)
988th1st
ISBN
50th
Kolakoski Sequence
1,159th1st
Leap Years
1,267th
744th9th
Look and Say
475th48th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
3,228th1st
Odious Numbers (Long)
1st
Ordinal Numbers
913th
Pangram Grep
27th
Pascal’s Triangle
1st
Pernicious Numbers
24th
Pernicious Numbers (Long)
256th
Prime Numbers
1st
Prime Numbers (Long)
902nd
1st
Reverse Polish Notation
749th
Smith Numbers
760th
Spelling Numbers
277th
Transpose Sentence
70th
Van Eck Sequence
803rd7th