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A279870 Number of nX6 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 0
30, 610, 11983, 226118, 3786373, 59485548, 887774030, 12785911872, 178956329859, 2449659253722, 32922293647257, 435782154193602, 5694447390415947 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A279871.

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Some solutions for n=3

..0..0..0..0..1..1. .0..0..0..0..1..1. .0..0..1..1..1..1. .0..1..1..1..2..2

..0..0..2..0..1..1. .0..0..0..0..0..0. .0..1..1..2..2..1. .0..0..1..1..2..2

..0..0..2..2..2..2. .0..1..0..0..0..0. .0..1..1..2..2..2. .0..0..1..1..1..2

CROSSREFS

Cf. A279871.

Sequence in context: A051303 A020975 A277877 * A124099 A028258 A285235

Adjacent sequences:  A279867 A279868 A279869 * A279871 A279872 A279873

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 21 2016

STATUS

approved

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Last modified July 8 18:44 EDT 2020. Contains 335524 sequences. (Running on oeis4.)