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A303408 Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
5, 45, 290, 2079, 29411, 236326, 2158662, 27002794, 250400003, 2506366395, 27764556264, 275534182736, 2826711225139, 29909224594535, 304574137026271, 3144849018260079, 32756776290370113, 336779681669267253 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A303410.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A303410.

Sequence in context: A249638 A188349 A302526 * A241275 A343136 A343106

Adjacent sequences:  A303405 A303406 A303407 * A303409 A303410 A303411

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 23 2018

STATUS

approved

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Last modified August 4 06:02 EDT 2021. Contains 346442 sequences. (Running on oeis4.)