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A305088 Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. 1
8, 346, 920, 1016, 39016, 285422, 630306, 12378708, 108542087, 472695509, 5199121658, 46704561668, 282819566127, 2484588647059, 21486126090213, 151693481573725, 1234399626861450, 10281426006005255, 77725590704286319 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A305089.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305089.

Sequence in context: A193225 A304148 A305488 * A316739 A079485 A193504

Adjacent sequences:  A305085 A305086 A305087 * A305089 A305090 A305091

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 25 2018

STATUS

approved

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Last modified January 25 08:59 EST 2022. Contains 350565 sequences. (Running on oeis4.)