Abundant Numbers
1,832nd
12th
Diamonds
964th
Divisors
1,578th18th
Emirp Numbers
484th
Evil Numbers
2,116th1st
Evil Numbers (Long)
1st
Fibonacci
3,567th
7,743rd
3,810th1st
Fizz Buzz
125th13th
Foo Fizz Buzz Bar
4th
Fractions
873rd148th
Happy Numbers
1,151st1st
Happy Numbers (Long)
905th1st
ISBN
48th
Kolakoski Sequence
1,084th1st
Leap Years
1,249th
709th8th
Look and Say
445th53rd
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
3,008th1st
Odious Numbers (Long)
1st
Ordinal Numbers
884th
Pangram Grep
24th
Pascalβs Triangle
1st
Pernicious Numbers
21st
Pernicious Numbers (Long)
197th
Prime Numbers
1st
Prime Numbers (Long)
822nd
1st
Reverse Polish Notation
707th
Smith Numbers
687th
Spelling Numbers
264th
Transpose Sentence
59th
Van Eck Sequence
731st7th