A288721 Number of connected dominating sets in the n-triangular grid graph.

1, 7, 32, 296, 5744, 227080, 18084720, 2883751336, 916819998880, 579403471332808, 726271886301488352, 1802717127912019473096, 8849500619057758939673040, 85830556827312530479498758296, 1643431935596454045971815328866560, 62082178562357221739454020443666212184

Offset

0,2

Links

Table of n, a(n) for n=0..15.

Eric Weisstein's World of Mathematics, Connected Dominating Set

Eric Weisstein's World of Mathematics, Triangular Grid Graph

Crossrefs

Cf. A287064, A288722.

Sequence in context: A240390 A024093 A110323 * A324412 A175189 A153286

Adjacent sequences: A288718 A288719 A288720 * A288722 A288723 A288724

Keyword

nonn

Author

Eric W. Weisstein, Jun 14 2017

Extensions

a(6)-a(15) from Andrew Howroyd, Sep 04 2017

Status

approved