A281720 Number of 6Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

32, 14, 22, 631, 3166, 29849, 252867, 1987696, 17241122, 141964135, 1181349593, 9947080570, 82516604643, 691237888796, 5774613619314, 48180216720264, 403021368941890, 3365534946520453, 28122510061436727, 235052865949118652

Offset

1,1

Comments

Row 6 of A281715.

Links

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

Example

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

Crossrefs

Cf. A281715.

Sequence in context: A029771 A302684 A302519 * A303318 A097614 A069892

Adjacent sequences: A281717 A281718 A281719 * A281721 A281722 A281723

Keyword

nonn

Author

R. H. Hardin, Jan 28 2017

Status

approved