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A297380 Number of 7Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0, 1 or 2 neighboring 1s. 1
128, 16384, 899565, 67012245, 5201484239, 383128155296, 28559447121714, 2136915074062801, 159485442516170020, 11906501694015288457, 889085359991168514569, 66384075576730768153403, 4956603963267788832571902 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A297374.

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..0. .0..0..0..0..0. .0..0..0..0..0

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

CROSSREFS

Cf. A297374.

Sequence in context: A189115 A188908 A189109 * A283863 A223568 A144321

Adjacent sequences:  A297377 A297378 A297379 * A297381 A297382 A297383

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 29 2017

STATUS

approved

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Last modified January 19 18:13 EST 2020. Contains 331051 sequences. (Running on oeis4.)