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A305682 Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1
1, 82, 818, 17947, 383910, 8417922, 185389115, 4094434997, 90512430926, 2001749650686, 44277953110500, 979481824603856, 21667974875091016, 479342236614803683, 10604136569952695750, 234588036917706798440 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A305685.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305685.

Sequence in context: A186688 A002309 A128959 * A317062 A230394 A316929

Adjacent sequences:  A305679 A305680 A305681 * A305683 A305684 A305685

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 08 2018

STATUS

approved

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Last modified June 26 10:23 EDT 2022. Contains 354879 sequences. (Running on oeis4.)