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A326164 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
21, 91, 396, 2644, 27902, 307759, 3984553, 50108120, 631752599, 7873793259, 97914938383, 1217849040638, 15154502797138, 188732168188613, 2350844998230808, 29285586927132940, 364802626463161313 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A326165.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A326165.

Sequence in context: A194532 A065827 A318036 * A143843 A119109 A254603

Adjacent sequences:  A326161 A326162 A326163 * A326165 A326166 A326167

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 09 2019

STATUS

approved

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Last modified July 11 07:06 EDT 2020. Contains 335609 sequences. (Running on oeis4.)