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A297548 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 3 neighboring 1s. 1
1, 14, 461, 2205, 12161, 205888, 2748026, 25141813, 257022624, 3107723264, 35428053457, 379567391600, 4182220329864, 47242475898249, 526748427926749, 5818430376752828, 64655311668945484, 721026932221046595 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A297544.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A297544.

Sequence in context: A305115 A282245 A319096 * A215787 A005790 A208563

Adjacent sequences:  A297545 A297546 A297547 * A297549 A297550 A297551

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 31 2017

STATUS

approved

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Last modified September 25 16:13 EDT 2020. Contains 337344 sequences. (Running on oeis4.)