A279854 Number of nX5 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

8, 54, 557, 5200, 44893, 373516, 3010179, 23836450, 185854745, 1432781380, 10940440805, 82884481996, 623764753929, 4667668549882, 34757207667097, 257707173342548, 1903562116898937, 14013650638972172, 102857118300106915

Offset

1,1

Comments

Column 5 of A279856.

Links

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

Example

Some solutions for n=4
..0..0..1..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..1
..0..0..1..0..0. .1..1..0..0..0. .0..0..0..0..1. .0..0..0..0..0
..2..2..1..1..0. .1..1..1..0..1. .0..0..0..2..2. .2..2..0..0..0
..2..2..1..1..0. .1..1..1..0..0. .2..2..2..2..2. .2..2..2..2..2

Crossrefs

Cf. A279856.

Sequence in context: A138403 A013499 A134825 * A241581 A052690 A304589

Adjacent sequences: A279851 A279852 A279853 * A279855 A279856 A279857

Keyword

nonn

Author

R. H. Hardin, Dec 20 2016

Status

approved