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A318042 Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
1, 6, 86, 905, 10563, 116212, 1304057, 14683085, 165135266, 1856998899, 20884326520, 234874162302, 2641473216596, 29706814482309, 334092069568548, 3757304519668705, 42255828257649535, 475222320626098607 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A318045.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A318045.

Sequence in context: A332407 A209035 A230782 * A155654 A231165 A091881

Adjacent sequences:  A318039 A318040 A318041 * A318043 A318044 A318045

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 13 2018

STATUS

approved

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Last modified September 20 10:18 EDT 2021. Contains 347584 sequences. (Running on oeis4.)