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A279532 Number of nX4 0..2 arrays with no element equal 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. 1
3, 222, 21430, 1585524, 102868091, 6167352480, 349780411336, 19062177795838, 1007616539609274, 51997487569586344, 2631612786536215243, 131063643235639546758, 6439858597414624470206, 312802056435357403343004 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A279534.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..65

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A279534.

Sequence in context: A261385 A071881 A157557 * A157582 A241098 A254157

Adjacent sequences:  A279529 A279530 A279531 * A279533 A279534 A279535

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2016

STATUS

approved

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Last modified June 26 12:58 EDT 2022. Contains 354883 sequences. (Running on oeis4.)