A163054 Number of n X 10 binary arrays with all 1s connected, and all corners 1.

1, 1393, 967235, 545661741, 295502003013, 157910294056161, 83729256430535002, 44180826595593394238, 23248440821509926268336, 12215711940493480005526434, 6413841192265598905316648921, 3366304280570059620918777332565, 1766469563403063474574378403496007, 926867584078370872415665415734055115

Offset

1,2

Links

Andrew Howroyd, Table of n, a(n) for n = 1..100

Crossrefs

Column 10 of A389687.

Sequence in context: A094666 A163043 A069366 * A110844 A015990 A065214

Adjacent sequences: A163051 A163052 A163053 * A163055 A163056 A163057

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Extensions

a(7) onward from Andrew Howroyd, Oct 26 2025

Status

approved