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A300463 Number of nX6 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, 19, 68, 540, 7456, 78195, 935121, 10913850, 127028268, 1493618674, 17461316528, 204700167234, 2397343348003, 28083486453043, 328982201480033, 3853663395457966, 45143074414088192, 528811530208812741 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A300465.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300465.

Sequence in context: A044157 A044538 A297226 * A204675 A007546 A007547

Adjacent sequences:  A300460 A300461 A300462 * A300464 A300465 A300466

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 06 2018

STATUS

approved

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Last modified August 5 06:46 EDT 2020. Contains 336209 sequences. (Running on oeis4.)