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A317900 Number of nX6 0..1 arrays with every element unequal to 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
0, 9, 4, 54, 75, 167, 502, 2064, 5877, 17008, 53512, 175313, 540037, 1715436, 5431253, 17142134, 54068313, 171199743, 541229806, 1711178754, 5411163506, 17113807354, 54113456322, 171137431243, 541218521011, 1711575715106, 5412770092466 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A317902.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317902.

Sequence in context: A164032 A122846 A248309 * A298583 A038294 A214102

Adjacent sequences:  A317897 A317898 A317899 * A317901 A317902 A317903

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 10 2018

STATUS

approved

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Last modified May 21 09:30 EDT 2022. Contains 353908 sequences. (Running on oeis4.)