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A304301 Number of nX7 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero. 1
8, 22, 22, 43, 339, 685, 2673, 11690, 31390, 133744, 470762, 1540068, 6102146, 20842217, 73878439, 275427095, 956546292, 3458032571, 12531328029, 44267349424, 160026929357, 574345404117, 2048047347778, 7378617219463 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A304302.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304302.

Sequence in context: A284737 A013630 A215600 * A236917 A064193 A301482

Adjacent sequences:  A304298 A304299 A304300 * A304302 A304303 A304304

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 10 2018

STATUS

approved

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Last modified March 19 18:49 EDT 2019. Contains 321330 sequences. (Running on oeis4.)