A316452 - OEIS

A316452

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

3, 51, 58, 229, 1591, 6590, 29406, 180787, 1110885, 5756268, 36802761, 229866739, 1326398339, 8345914515, 51694139615, 311041797197, 1933674989684, 11927131376828, 72834711581082, 450206903590675, 2772873317202237

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OFFSET

1,1

COMMENTS

Column 5 of A316455.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316455.

Sequence in context: A304055 A305449 A304701 * A227069 A062216 A305012

Adjacent sequences: A316449 A316450 A316451 * A316453 A316454 A316455

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 03 2018

STATUS

approved