

A092209


Smallest number k such that k, k+2, k+4, ..., k+2n are semiprimes.


5




OFFSET

0,1


COMMENTS

Semiprimes in arithmetic progression. All terms are odd, except for the first two. See also A056809.


LINKS

Table of n, a(n) for n=0..7.
Eric Weisstein's World of Mathematics, Semiprime.


CROSSREFS

First entry in A001358, A092207, A092125, A092126, A092127, A092128, A092129, A082919 respectively.
Sequence in context: A317868 A224092 A217188 * A068337 A009534 A009559
Adjacent sequences: A092206 A092207 A092208 * A092210 A092211 A092212


KEYWORD

nonn,fini,full


AUTHOR

Robert G. Wilson v and Zak Seidov, Feb 24 2004


STATUS

approved



