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

1,1

Comments

Column 7 of A281765.

Links

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

Example

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

Crossrefs

Cf. A281765.

Sequence in context: A062079 A062032 A204251 * A209740 A209461 A209523

Adjacent sequences: A281761 A281762 A281763 * A281765 A281766 A281767

Keyword

nonn

Author

R. H. Hardin, Jan 29 2017

Status

approved