A281800 Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

9, 524, 7293, 71290, 575062, 4173476, 28237876, 181908580, 1130079060, 6826668428, 40329856919, 233963451718, 1336918963187, 7542580750766, 42091126713821, 232677185939116, 1275632896739723, 6942735865021594

Offset

1,1

Comments

Column 6 of A281802.

Links

R. H. Hardin, Table of n, a(n) for n = 1..147

Example

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

Crossrefs

Cf. A281802.

Sequence in context: A367446 A003398 A015508 * A266889 A054608 A269661

Adjacent sequences: A281797 A281798 A281799 * A281801 A281802 A281803

Keyword

nonn

Author

R. H. Hardin, Jan 30 2017

Status

approved