A316507 - OEIS

A316507

Number of nXn 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, 3, 16, 1321, 317264, 295326468, 990266635029, 12088043573966128, 535440346291887704215

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

OFFSET

1,2

COMMENTS

Diagonal of A316511.

LINKS

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 05 2018

STATUS

approved