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A316419 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
64, 101, 484, 3496, 25312, 192752, 1459806, 11066456, 84120192, 639206832, 4856035371, 36894816262, 280338552147, 2130055864039, 16184372459315, 122971160807318, 934353279611767, 7099351068366439, 53941888768991850 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A316420.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316420.

Sequence in context: A304603 A305339 A304925 * A306165 A317382 A331455

Adjacent sequences:  A316416 A316417 A316418 * A316420 A316421 A316422

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 02 2018

STATUS

approved

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Last modified October 22 01:48 EDT 2021. Contains 348160 sequences. (Running on oeis4.)