A281764 Number of nX7 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

15, 698, 7466, 68362, 589990, 4845178, 38998648, 306847534, 2376142873, 18172170592, 137541600309, 1032205229342, 7690612680576, 56948407735784, 419460675116112, 3075312381551048, 22455267348093278, 163373533509709066

Offset: 1

Author

R. H. Hardin, Jan 29 2017

Keywords

• nonn

Comments

Column 7 of A281765.

Examples

			Some solutions for n=4
..0..0..0..0..0..1..1. .0..0..0..1..1..0..1. .0..1..1..0..0..1..1
..0..0..0..0..1..1..1. .1..1..1..0..0..1..0. .1..1..1..1..0..0..1
..0..0..0..0..1..1..1. .1..1..0..0..1..0..1. .1..1..1..0..0..1..1
..0..0..0..1..1..0..0. .1..0..0..0..0..1..1. .1..1..1..0..0..1..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210

Crossrefs

Cf. A281765.