3,1

Table of n, a(n) for n=3..18.

Eric Weisstein's World of Mathematics, Antiprism Graph

Eric Weisstein's World of Mathematics, Maximal Irredundant Set

Sequence in context: A031334 A178958 A099808 * A134621 A106499 A043108

Adjacent sequences: A291051 A291052 A291053 * A291055 A291056 A291057

nonn,more

Eric W. Weisstein, Aug 17 2017

a(13) from Eric W. Weisstein, Sep 11 2017

a(14)-a(18) from Andrew Howroyd, Jan 14 2018

approved