A290719 -id:A290719 - cp's OEIS frontend

Showing 1-4 of 4 results.

A289145 Number of connected dominating sets in the n X n black bishop graph.

Original entry on oeis.org

1, 3, 16, 128, 4528, 176192, 25823200, 3695526272

Offset: 1

Eric W. Weisstein, Jun 26 2017

Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Connected Dominating Set

Cf. A289164, A289169, A290719.

a(8) from Andrew Howroyd, Sep 04 2017

A290769 Number of (non-null) connected induced subgraphs in the n X n white bishop graph.

Original entry on oeis.org

3, 13, 168, 2844, 194751, 14062789, 3852814320, 1039212524160

Offset: 2

Eric W. Weisstein, Aug 10 2017

Eric Weisstein's World of Mathematics, Connected Graph
Eric Weisstein's World of Mathematics, Vertex-Induced Subgraph
Eric Weisstein's World of Mathematics, White Bishop Graph

Cf. A289169, A290719.

a(8)-a(9) from Andrew Howroyd, Aug 15 2017

A291595 Number of (non-null) connected induced subgraphs in the n X n bishop graph.

Original entry on oeis.org

1, 6, 35, 336, 8095, 389502, 41541383, 7705628640, 3104759041723

Offset: 1

Eric W. Weisstein, Aug 27 2017

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

Cf. A290719, A290769.

a(n) = A290719(n) + A290769(n) for n > 1. - Andrew Howroyd, Aug 27 2017

a(6)-a(9) from Andrew Howroyd, Aug 27 2017

A362509 Number of vertex cuts in the n X n black bishop graph.

Original entry on oeis.org

0, 0, 9, 87, 2940, 67392, 6075837, 442152975, 133476737988

Offset: 1

Eric W. Weisstein, Apr 23 2023

Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Vertex Cut

a(n) = 2^ceiling(n^2/2) - 1 - A290719(n). - Pontus von Brömssen, Apr 23 2023

a(8)-a(9) (based on data in A290719) from Pontus von Brömssen, Apr 23 2023

Showing 1-4 of 4 results.