A163035 Number of nX9 binary arrays with all 1s connected and a path of 1s from top row to bottom row.

45, 9689, 3730303, 1180202569, 340759985173, 95151328370775

Offset: 1

Author

R. H. Hardin Jul 20 2009

Keywords

• nonn

Links

• Chaim Goodman-Strauss, Notes on the number of m × n binary arrays with all 1’s connected and a path of 1’s from top row to bottom row (May 21 2020)
• Chaim Goodman-Strauss, Mma notebook to accompany the above document

Crossrefs

Cf. A163029-A163036.

Formula

For a formula see the Goodman-Strauss links. - N. J. A. Sloane, May 22 2020