Number of primes <= Fibonacci(Fibonacci(n)) = pi(A007570(n)).

A153385

Number of primes <= Fibonacci(Fibonacci(n)) = pi(A007570(n)).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =3a(6) =8a(7) =51a(8) =1329a(9) =393790a(10) =5670112879

External references