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A281935 Number of nX7 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
0, 792, 252630, 19173138, 1216849775, 66997966477, 3373640120486, 160302681247552, 7305243645203574, 322502538593946476, 13886918284916239844, 586084028294727276075, 24329530708226606150926 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A281936.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..43

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A281936.

Sequence in context: A184491 A140909 A282461 * A037146 A045246 A095812

Adjacent sequences:  A281932 A281933 A281934 * A281936 A281937 A281938

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 02 2017

STATUS

approved

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Last modified December 8 14:41 EST 2021. Contains 349596 sequences. (Running on oeis4.)