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A305244 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4 or 8 king-move adjacent elements, with upper left element zero. 1
64, 432, 343, 2128, 11731, 55039, 311014, 1742187, 9652212, 54215925, 304136859, 1705204672, 9572981971, 53722180818, 301526832227, 1692432742507, 9499376400246, 53319042252526, 299275626808768, 1679809896380902 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A305245.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305245.

Sequence in context: A184773 A184765 A303799 * A304478 A316303 A304847

Adjacent sequences:  A305241 A305242 A305243 * A305245 A305246 A305247

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 28 2018

STATUS

approved

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Last modified September 26 12:04 EDT 2021. Contains 347665 sequences. (Running on oeis4.)