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A303324 Number of nX7 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
1, 128, 4, 46, 368, 758, 2956, 15494, 44101, 190416, 843033, 3033091, 12413910, 51530654, 201376755, 814350745, 3304173349, 13195116320, 53237817569, 214790465512, 862745046281, 3476740567795, 14008372152609, 56369700131001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A303325.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A303325.

Sequence in context: A101327 A035880 A010369 * A121374 A336774 A252487

Adjacent sequences:  A303321 A303322 A303323 * A303325 A303326 A303327

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 21 2018

STATUS

approved

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Last modified September 27 04:10 EDT 2021. Contains 347673 sequences. (Running on oeis4.)