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A298322 Number of nXn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 0
1, 5, 22, 382, 17984, 2614097, 1019874462, 970377749534, 2360675859823673 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A298328.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298328.

Sequence in context: A183902 A005632 A183408 * A299215 A300031 A271678

Adjacent sequences:  A298319 A298320 A298321 * A298323 A298324 A298325

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2018

STATUS

approved

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Last modified April 3 01:31 EDT 2020. Contains 333195 sequences. (Running on oeis4.)