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A318014 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
32, 1178, 8971, 103633, 1033121, 10674882, 109443619, 1125607630, 11570430384, 118973283392, 1223232810942, 12577320454051, 129319715654055, 1329670047056784, 13671716973942909, 140573321698015550 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A318016.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A318016.

Sequence in context: A208267 A184758 A189956 * A320400 A194652 A330481

Adjacent sequences:  A318011 A318012 A318013 * A318015 A318016 A318017

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 12 2018

STATUS

approved

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Last modified May 30 12:03 EDT 2020. Contains 334724 sequences. (Running on oeis4.)