A167691 The number of nonisolated nonprimes between n-th isolated prime and (n+1)-th isolated prime.

9, 10, 6, 5, 10, 8, 3, 5, 7, 9, 13, 3, 19, 5, 3, 5, 28, 11, 6, 14, 5, 5, 10, 12, 13, 6, 13, 5, 12, 5, 7, 5, 5, 3, 5, 7, 3, 7, 23, 3, 5, 7, 6, 11, 7, 3, 7, 3, 5, 28, 5, 9, 5, 10, 9, 5, 10, 5, 14, 12, 5, 16, 3, 5, 7, 9, 7, 9, 7, 5, 5, 3, 7, 5, 3, 7, 3, 13, 9, 32, 13, 6, 13, 6, 19, 3, 7, 9, 7, 3, 5, 5, 13

Offset: 1

Author

Juri-Stepan Gerasimov, Nov 09 2009

Keywords

• nonn

Crossrefs

Cf. A007510 (the isolated primes), A164276 (the nonisolated nonprimes).

Extensions

Corrected (27 replaced by 28) by R. J. Mathar, May 30 2010