A316543 - OEIS

A316543

Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

32, 184, 484, 1874, 19819, 114514, 674392, 4849500, 31884846, 203368711, 1358843897, 8997328787, 58814614929, 388028648160, 2561486904197, 16848249104677, 110978791667002, 731504878546755, 4817677477871389

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 6 of A316545.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316545.

Sequence in context: A165002 A165010 A304846 * A306058 A317236 A233387

Adjacent sequences: A316540 A316541 A316542 * A316544 A316545 A316546

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 06 2018

STATUS

approved