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A318211 Number of nX5 0..1 arrays with every element unequal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
3, 21, 47, 245, 1042, 4794, 20502, 93848, 413543, 1866198, 8419364, 37903931, 171452530, 772835587, 3491017470, 15756245294, 71124997356, 321138172302, 1449613531826, 6544951016378, 29546522979051, 133392926489825 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A318214.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A318214.

Sequence in context: A318549 A217000 A034186 * A219069 A027499 A303834

Adjacent sequences:  A318208 A318209 A318210 * A318212 A318213 A318214

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 21 2018

STATUS

approved

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Last modified April 14 00:07 EDT 2021. Contains 342941 sequences. (Running on oeis4.)