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

1,1

Links

Table of n, a(n) for n=1..93.

Crossrefs

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

Sequence in context: A347181 A333774 A205151 * A107434 A334681 A020508

Adjacent sequences: A167688 A167689 A167690 * A167692 A167693 A167694

Keyword

nonn

Author

Juri-Stepan Gerasimov, Nov 09 2009

Extensions

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

Status

approved