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A316807 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1
64, 8192, 877309, 93109949, 9972851339, 1068884675914, 114545399709628, 12275005648997685, 1315428650403022308, 140965539170448058954, 15106316760832510128905, 1618841081133288189660930 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A316808.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316808.

Sequence in context: A302009 A301783 A213417 * A317524 A299653 A300207

Adjacent sequences: A316804 A316805 A316806 * A316808 A316809 A316810

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 14 2018

STATUS

approved

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Last modified December 2 13:44 EST 2022. Contains 358510 sequences. (Running on oeis4.)