A281770 Number of 6Xn 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.

0, 68, 374, 5948, 49986, 502276, 4845178, 43943360, 414035752, 3763905492, 34161108524, 309491219676, 2770210355448, 24781891977992, 220487430433918, 1953506661837984, 17268182347051482, 152093095781502104

Offset

1,2

Comments

Row 6 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..0..0. .0..0..0..1. .0..0..0..0. .0..0..0..0
..0..0..0..1. .1..0..1..0. .0..0..1..1. .0..0..0..0. .0..0..0..0
..0..0..1..1. .1..1..0..1. .0..0..1..1. .1..1..1..0. .1..1..0..0
..0..0..1..1. .0..0..1..0. .0..1..1..1. .1..1..0..1. .1..1..1..0
..1..1..0..0. .0..0..0..1. .1..0..1..0. .1..0..1..0. .1..1..0..1
..1..1..0..0. .0..0..1..1. .0..1..0..1. .1..1..0..1. .1..1..1..1

Crossrefs

Cf. A281765.

Sequence in context: A237745 A237740 A290173 * A032510 A211691 A027850

Adjacent sequences: A281767 A281768 A281769 * A281771 A281772 A281773

Keyword

nonn

Author

R. H. Hardin, Jan 29 2017

Status

approved