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A305646 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1
8, 57, 79, 574, 5547, 31079, 304707, 3821570, 37230262, 388189669, 4449595170, 48262760771, 521200625130, 5779813369002, 63596590407636, 696061137670578, 7663456805291520, 84355346903004403, 926775618019247726 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A305649.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305649.

Sequence in context: A305915 A316236 A317157 * A316922 A317040 A317694

Adjacent sequences:  A305643 A305644 A305645 * A305647 A305648 A305649

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 07 2018

STATUS

approved

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Last modified January 18 11:29 EST 2022. Contains 350454 sequences. (Running on oeis4.)