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A320400 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
32, 1178, 18754, 368049, 6845143, 127789964, 2392115850, 44629532699, 834140753692, 15580741264463, 291092212043702, 5438147049045711, 101595093735936213, 1898003488715538165, 35458425306773811200 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A320402.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A320402.

Sequence in context: A184758 A189956 A318014 * A194652 A330481 A240892

Adjacent sequences:  A320397 A320398 A320399 * A320401 A320402 A320403

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 12 2018

STATUS

approved

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Last modified December 5 06:52 EST 2021. Contains 349543 sequences. (Running on oeis4.)