A279465 Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

15, 658, 26670, 1079792, 41706415, 1529974962, 54755104784, 1926654903560, 66854006751350, 2293311539588776, 77940818083281196, 2628632829003297482, 88079138411703964163, 2934932008298081335876, 97326119686256417416192

Offset

1,1

Comments

Column 7 of A279466.

Links

R. H. Hardin, Table of n, a(n) for n = 1..103

Example

Some solutions for n=3
..0..0..0..1..0..1..0. .0..0..1..0..1..0..1. .0..0..0..1..0..1..0
..1..1..1..1..0..0..0. .1..0..1..1..1..0..1. .1..1..0..1..0..1..1
..0..0..0..1..1..1..1. .0..1..0..1..0..1..0. .1..1..0..0..1..0..0

Crossrefs

Cf. A279466.

Sequence in context: A222268 A280179 A223203 * A349889 A279531 A079600

Adjacent sequences: A279462 A279463 A279464 * A279466 A279467 A279468

Keyword

nonn

Author

R. H. Hardin, Dec 12 2016

Status

approved