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A163692 Number of nX9 binary arrays with all 1s connected, a path of 1s from upper left corner to lower right corner, and no 1 having more than two 1s adjacent 0
1, 85, 1732, 24449, 302869, 3195383 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Sequence in context: A008360 A212474 A020310 * A221339 A262062 A220736

Adjacent sequences:  A163689 A163690 A163691 * A163693 A163694 A163695

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 03 2009

STATUS

approved

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Last modified July 23 11:44 EDT 2019. Contains 325254 sequences. (Running on oeis4.)