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A297095 Number of nXn 0..1 arrays with no 1 adjacent to 4 king-move neighboring 1s. 0
2, 16, 351, 26278, 6316836, 4769336288, 11598374165583, 90071290640636405, 2231818836473290517838 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A297102.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A297102.

Sequence in context: A299907 A012610 A012721 * A289972 A179472 A009341

Adjacent sequences:  A297092 A297093 A297094 * A297096 A297097 A297098

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 25 2017

STATUS

approved

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Last modified March 26 05:43 EDT 2019. Contains 321481 sequences. (Running on oeis4.)