A316542 - OEIS

A316542

Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

16, 64, 187, 568, 4219, 19819, 85583, 452386, 2248258, 10683960, 53021058, 262380806, 1279454090, 6288355637, 30965350526, 151903390611, 745956024380, 3666614206098, 18007858418196, 88444652958379, 434517915090590

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OFFSET

1,1

COMMENTS

Column 5 of A316545.

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

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

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

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

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

CROSSREFS

Cf. A316545.

Sequence in context: A100184 A304845 A190099 * A306057 A059165 A212506

Adjacent sequences: A316539 A316540 A316541 * A316543 A316544 A316545

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 06 2018

STATUS

approved