A163052 Number of n X 8 binary arrays with all 1s connected, and all corners 1.

1, 239, 37832, 5398054, 765978583, 108836266497, 15460898730570, 2194840215915996, 311436369777161740, 44180826595593394238, 6266910911411055379930, 888903990666816375722878, 126080801493330264582916270, 17882995576375715622178173804, 2536474508824517232127854115501

Offset

1,2

Links

Andrew Howroyd, Table of n, a(n) for n = 1..400

Crossrefs

Column 8 of A389687.

Sequence in context: A278852 A163041 A069364 * A254298 A181855 A223741

Adjacent sequences: A163049 A163050 A163051 * A163053 A163054 A163055

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Extensions

a(8) onward from Andrew Howroyd, Oct 26 2025

Status

approved