login
A279133
Number of nX7 0..1 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
15, 400, 7491, 129264, 2017028, 29410145, 409061044, 5488392521, 71618045798, 913912909445, 11451034651712, 141307143171540, 1721381619036321, 20738815798941668, 247471563012643095, 2928344313826748362
OFFSET
1,1
COMMENTS
Column 7 of A279134.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..1..1..0..1. .0..1..0..1..0..1..1. .0..0..1..0..0..1..0
..1..1..1..0..0..0..1. .1..0..1..0..0..1..0. .1..1..0..0..1..0..1
..0..0..0..1..1..1..0. .0..1..1..0..0..1..0. .0..0..1..1..0..1..0
..0..1..0..1..0..0..1. .0..1..0..1..1..0..1. .1..0..1..0..0..1..0
CROSSREFS
Cf. A279134.
Sequence in context: A366300 A323838 A278981 * A034675 A216343 A184222
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2016
STATUS
approved