A283229 - OEIS

A283229

Number of n X 5 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.

0, 49, 3996, 163860, 5814342, 188295479, 5735340380, 167289795994, 4724329890393, 130096179474238, 3510766557493700, 93180419391136915, 2439005097362209956, 63092188369767978569, 1615585146171148850583

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OFFSET

1,2

COMMENTS

Column 5 of A283232.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A283232.

Sequence in context: A218231 A219061 A218317 * A109344 A129207 A243944

Adjacent sequences: A283226 A283227 A283228 * A283230 A283231 A283232

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 03 2017

STATUS

approved