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A298145 Number of nX7 0..1 arrays with every element equal to 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. 1
0, 22, 8, 43, 73, 161, 180, 544, 1076, 2574, 5208, 11862, 27724, 63854, 146389, 334035, 776137, 1801528, 4174743, 9665985, 22409640, 52068197, 120962558, 281027721, 652954484, 1517843079, 3529411760, 8207419347, 19087389894, 44394830483 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A298146.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=7

..0..0..1..1..1..0..0. .0..0..0..0..0..1..1. .0..0..1..0..1..1..1

..0..1..0..0..0..1..0. .0..1..1..1..1..0..1. .0..1..0..1..0..0..1

..0..1..1..0..1..1..0. .1..0..0..0..0..0..1. .0..1..0..1..0..1..0

..1..0..0..0..0..0..1. .0..1..1..1..1..1..0. .0..1..0..1..0..1..0

..0..1..1..1..1..1..0. .1..0..0..0..0..0..1. .0..1..0..1..0..1..0

..0..1..0..0..0..1..0. .0..1..1..1..0..1..1. .0..1..0..1..0..1..0

..0..0..1..1..1..0..0. .0..0..1..0..0..0..1. .0..0..1..0..1..0..0

CROSSREFS

Cf. A298146.

Sequence in context: A040466 A133682 A134911 * A298176 A113783 A298781

Adjacent sequences:  A298142 A298143 A298144 * A298146 A298147 A298148

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2018

STATUS

approved

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Last modified December 8 17:01 EST 2021. Contains 349596 sequences. (Running on oeis4.)