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A303329 Number of 7Xn 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
64, 1, 64, 3, 204, 136, 2956, 3929, 69328, 130531, 2005898, 4227664, 61153964, 138433606, 1895471346, 4533018431, 59124000419, 148573817239, 1850543645961, 4870321182842, 58066023583621, 159666967568560, 1825934714066510 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A303325.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

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

CROSSREFS

Cf. A303325.

Sequence in context: A085339 A203262 A174927 * A301911 A302155 A288923

Adjacent sequences:  A303326 A303327 A303328 * A303330 A303331 A303332

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 21 2018

STATUS

approved

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Last modified September 25 13:01 EDT 2020. Contains 337344 sequences. (Running on oeis4.)