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A300176 Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
1, 8, 255, 32321, 16288960, 32640586945, 260070240849459, 8239275981240122104, 1037894641315598870418625, 519856344665932729699372254283, 1035331146709687346593709910443435692 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A300182.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..13

EXAMPLE

Some solutions for n=5

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

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

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

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

CROSSREFS

Cf. A300182.

Sequence in context: A267250 A034674 A317511 * A291850 A130034 A128787

Adjacent sequences:  A300173 A300174 A300175 * A300177 A300178 A300179

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 27 2018

STATUS

approved

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Last modified May 10 21:08 EDT 2021. Contains 343780 sequences. (Running on oeis4.)