Number of twin prime members occurring in the sequence of prime-indexed primes for indices up to 10^n.
A128246
Number of twin prime members occurring in the sequence of prime-indexed primes for indices up to 10^n.
Terms
- a(0) =8a(1) =37a(2) =250a(3) =2033a(4) =17119a(5) =144795a(6) =1266584a(7) =11272092a(8) =101700063
External references
- oeis: A128246