A075067 Start of the first run of exactly n consecutive odd composite numbers.

9, 25, 91, 141, 201, 115, 1833, 525, 889, 1131, 1671, 2479, 2973, 4299, 5593, 1329, 9553, 30595, 19335, 16143, 15685, 81465, 28231, 31909, 19611, 35619, 82075, 44295, 43333, 34063, 89691, 162145, 134515, 173361, 31399, 404599, 212703

Offset

1,1

Comments

More precisely, a(n)-2 and a(n) + 2n are two consecutive primes and are the smallest successive prime pair with a difference 2(n+1).

Links

Table of n, a(n) for n=1..37.

Crossrefs

This is a trivial variation of A000230 and A045881.

See A189118 for another version.

Sequence in context: A147428 A147436 A189118 * A075064 A147332 A147460

Adjacent sequences: A075064 A075065 A075066 * A075068 A075069 A075070

Keyword

nonn

Author

Amarnath Murthy, Sep 08 2002

Extensions

More terms from Matthew Conroy, Sep 10 2002

Status

approved