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A281771 Number of 7Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
0, 120, 672, 18358, 201450, 2848436, 38998648, 491290688, 6531040026, 83421129072, 1061825672182, 13538745056328, 170149200534678, 2139241444399412, 26751312122710302, 332989768683012174 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A281765.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

CROSSREFS

Cf. A281765.

Sequence in context: A292365 A306373 A113546 * A166069 A114887 A069085

Adjacent sequences:  A281768 A281769 A281770 * A281772 A281773 A281774

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2017

STATUS

approved

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Last modified February 17 15:16 EST 2020. Contains 331998 sequences. (Running on oeis4.)