A316508 - OEIS

A316508

Number of n X 5 0..1 arrays with every element unequal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

0, 61, 609, 14831, 317264, 7009503, 154346491, 3403223836, 75038679491, 1654647236635, 36486406780836, 804560727805501, 17741364637407243, 391214942282707283, 8626684107584539433, 190227094199800042439

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OFFSET

1,2

COMMENTS

Column 5 of A316511.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316511.

Sequence in context: A069595 A235009 A304764 * A068850 A142667 A317462

Adjacent sequences: A316505 A316506 A316507 * A316509 A316510 A316511

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 05 2018

STATUS

approved