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

A290784

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

Terms

    a(0) =1a(1) =3a(2) =6a(3) =19a(4) =213a(5) =379687a(6) =80990506a(7) =22635546606

External references