A316544 - OEIS

A316544

Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

64, 432, 1262, 5966, 85583, 674392, 5074646, 49303976, 433518999, 3658627041, 32693639379, 288815437019, 2513333403187, 22125809815244, 194792517954063, 1707725977990421, 15001694156356047, 131860533930921841

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

OFFSET

1,1

COMMENTS

Column 7 of A316545.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

..0..0..0..0..0..0..0. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0

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

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

CROSSREFS

Cf. A316545.

Sequence in context: A304478 A316303 A304847 * A306059 A188785 A317237

Adjacent sequences: A316541 A316542 A316543 * A316545 A316546 A316547

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 06 2018

STATUS

approved