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A300462 Number of nX5 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
0, 9, 22, 142, 1146, 7456, 55663, 400028, 2906875, 21162204, 153677233, 1117612488, 8123629685, 59057261422, 429317113075, 3120977422852, 22688267741133, 164934718709179, 1199012026918226, 8716348960310287, 63364478025520501 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A300465.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300465.

Sequence in context: A327150 A264651 A113519 * A123833 A084023 A156342

Adjacent sequences:  A300459 A300460 A300461 * A300463 A300464 A300465

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 06 2018

STATUS

approved

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Last modified July 6 22:30 EDT 2020. Contains 335484 sequences. (Running on oeis4.)