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A163721 Number of nX9 binary arrays with all 1s connected, a path of 1s from top row to bottom row, and no 1 having more than two 1s adjacent 0
45, 1059, 14839, 204461, 2938865 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

Sequence in context: A162183 A162418 A010997 * A292209 A317895 A282929

Adjacent sequences:  A163718 A163719 A163720 * A163722 A163723 A163724

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 03 2009

STATUS

approved

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Last modified May 22 23:18 EDT 2022. Contains 353959 sequences. (Running on oeis4.)