99 Bottles of Beer
2,142nd
Arrows
575th
Catalan Numbers
42nd
Collatz
1,131st
Divisors
2,810th
Evil Numbers
999th
Evil Numbers (Long)
774th
Fibonacci
3,887th1,244th
Fizz Buzz
6,039th2,754th
Happy Numbers
1,374th
Happy Numbers (Long)
799th
Leap Years
1,233rd
Niven Numbers
2,187th
Odious Numbers
980th
Odious Numbers (Long)
821st
Pascal’s Triangle
237th
Pernicious Numbers
1,300th
Prime Numbers
3,048th
Prime Numbers (Long)
2,031st
Recamán
527th