A289874 Number of (non-null) connected induced subgraphs in the n-triangular honeycomb queen graph.

1, 7, 60, 972, 31849, 2073467, 267414258

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Eric Weisstein's World of Mathematics, Connected Graph

Eric Weisstein's World of Mathematics, Vertex-Induced Subgraph

Crossrefs

Sequence in context: A210988 A222651 A287689 * A316124 A358323 A156545

Adjacent sequences: A289871 A289872 A289873 * A289875 A289876 A289877

Keyword

nonn,more

Author

Eric W. Weisstein, Jul 14 2017

Status

approved