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A304064 Number of nX7 0..1 arrays with every element unequal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1
0, 702, 9889, 418382, 15790468, 598203550, 23106300531, 882586820005, 33883349300951, 1298742292582865, 49802609445810069, 1909600274607825976, 73221979973762752997, 2807623345042622681366, 107655520424372228194333 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A304065.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304065.

Sequence in context: A305071 A203350 A321641 * A305456 A305021 A316685

Adjacent sequences: A304061 A304062 A304063 * A304065 A304066 A304067

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 05 2018

STATUS

approved

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Last modified December 1 23:44 EST 2022. Contains 358485 sequences. (Running on oeis4.)