Abundant Numbers
1,993rd
84th
Diamonds
908th
Divisors
1,291st19th
Emirp Numbers
390th
Evil Numbers
2,150th1st
Evil Numbers (Long)
1st
Fibonacci
3,873rd
8,172nd
3,892nd1st
Fizz Buzz
23rd474th
Foo Fizz Buzz Bar
100th
Fractions
870th135th
Happy Numbers
1,212th324th
Happy Numbers (Long)
867th2nd
ISBN
68th
Kolakoski Sequence
1,150th1st
Leap Years
1,215th
687th175th
Look and Say
441st39th
Niven Numbers
510th
Niven Numbers (Long)
2nd
Odious Numbers
3,181st1st
Odious Numbers (Long)
1st
Ordinal Numbers
728th
Pangram Grep
3rd
Pascal’s Triangle
1st
Pernicious Numbers
24th
Pernicious Numbers (Long)
211th
Prime Numbers
1st
Prime Numbers (Long)
878th
1st
Reverse Polish Notation
599th
Smith Numbers
659th
Spelling Numbers
234th
Transpose Sentence
73rd
Van Eck Sequence
791st7th