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A183455 Number of nX8 binary arrays with every 1 having exactly three king-move neighbors equal to 1 1
1, 19, 63, 139, 723, 3005, 9511, 36995, 150145, 547767, 2049243, 8099185, 31232375, 118794973, 475013103, 1906016687, 7508667425, 31409068325, 132833355231, 551489805231, 2461668875187, 11088714849657, 48962978982683 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 8 of A183456

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..178

EXAMPLE

Some solutions for 5X8

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

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

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

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

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

CROSSREFS

Sequence in context: A262317 A214150 A262920 * A183340 A195749 A093485

Adjacent sequences:  A183452 A183453 A183454 * A183456 A183457 A183458

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved

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Last modified October 27 18:34 EDT 2020. Contains 338035 sequences. (Running on oeis4.)