Abundant Numbers
1,933rd
81st
Diamonds
879th
Divisors
1,239th19th
Emirp Numbers
386th
Evil Numbers
2,077th1st
Evil Numbers (Long)
1st
Fibonacci
3,750th
7,885th
3,773rd1st
Fizz Buzz
22nd462nd
Foo Fizz Buzz Bar
96th
Fractions
838th128th
Happy Numbers
1,161st300th
Happy Numbers (Long)
827th2nd
ISBN
68th
Kolakoski Sequence
1,102nd1st
Leap Years
1,169th
658th164th
Look and Say
436th39th
Niven Numbers
501st
Niven Numbers (Long)
2nd
Odious Numbers
3,100th1st
Odious Numbers (Long)
1st
Ordinal Numbers
712th
Pangram Grep
3rd
Pascal’s Triangle
1st
Pernicious Numbers
21st
Pernicious Numbers (Long)
201st
Prime Numbers
1st
Prime Numbers (Long)
846th
1st
Reverse Polish Notation
583rd
Smith Numbers
641st
Spelling Numbers
230th
Transpose Sentence
67th
Van Eck Sequence
753rd7th