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A279983 Number of 7Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
0, 1205, 43543, 876704, 15071233, 237386464, 3444870482, 47830833513, 640788381590, 8346437314513, 106354332622511, 1330883900649974, 16405039161663344, 199652460980584803, 2403337808498154619 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A279977.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..48

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Cf. A279977.

Sequence in context: A259521 A190031 A254694 * A187862 A186864 A135239

Adjacent sequences:  A279980 A279981 A279982 * A279984 A279985 A279986

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 24 2016

STATUS

approved

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Last modified November 12 09:29 EST 2019. Contains 329054 sequences. (Running on oeis4.)