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A303247 Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
64, 21, 1465, 458, 23995, 41878, 686376, 4288552, 44547581, 435326091, 4420070682, 46247239309, 488935478096, 5159966424970, 55400725550050, 589318077173963, 6332575656503077, 67765552380120662, 727276471899440959 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A303242.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

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

CROSSREFS

Cf. A303242.

Sequence in context: A316692 A302217 A302465 * A302373 A303089 A302894

Adjacent sequences:  A303244 A303245 A303246 * A303248 A303249 A303250

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 20 2018

STATUS

approved

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Last modified February 17 12:10 EST 2020. Contains 331996 sequences. (Running on oeis4.)