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A317064 Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
1, 908, 29339, 2403703, 186574154, 14920072888, 1197129513001, 96317261216226, 7756014658872472, 624809763949119909, 50341640351921902734, 4056352364979422842728, 326855659057553202836776 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A317065.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317065.

Sequence in context: A305953 A317214 A305684 * A316931 A317702 A214001

Adjacent sequences:  A317061 A317062 A317063 * A317065 A317066 A317067

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 20 2018

STATUS

approved

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Last modified August 10 20:05 EDT 2022. Contains 356039 sequences. (Running on oeis4.)