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A318550 Number of nX6 0..1 arrays with every element unequal to 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
5, 46, 106, 589, 3172, 14760, 67976, 337349, 1614708, 7855731, 38347330, 186692330, 911693548, 4447553946, 21721993726, 106065614622, 517953864782, 2529772676696, 12355265537302, 60345961406665, 294745792413259 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A318552.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A318552.

Sequence in context: A112396 A317861 A348786 * A318212 A096947 A042533

Adjacent sequences:  A318547 A318548 A318549 * A318551 A318552 A318553

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 28 2018

STATUS

approved

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Last modified August 14 22:45 EDT 2022. Contains 356122 sequences. (Running on oeis4.)