A092209 Smallest number k such that k, k+2, k+4, ..., k+2n are semiprimes.

4, 4, 91, 213, 213, 1383, 3091, 8129

Offset: 0

Author

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

Keywords

• nonn
• fini
• full

Comments

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

Links

• Eric Weisstein's World of Mathematics, Semiprime.

Crossrefs

First entry in A001358, A092207, A092125, A092126, A092127, A092128, A092129, A082919 respectively.