A279976 Number of n X 7 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

15, 277, 8068, 226771, 5870751, 144819856, 3444870482, 79672440007, 1801951754910, 40020022178950, 875485447655303, 18909516686710743, 403990472666974061, 8549840572786983933, 179455644823143101693

Offset: 1

Author

R. H. Hardin, Dec 24 2016

Keywords

• nonn

Comments

Column 7 of A279977.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..82

Crossrefs

Cf. A279977.