A231218 Number of (n+1)X(7+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order

87, 1098, 34609, 969461, 28439115, 820418528, 23748656906, 685733582035, 19812622781057, 572302029497356, 16533962109257389, 477663753823928105, 13800046313373114629, 398691931165963350492, 11518505348614958772694

Offset

1,1

Comments

Column 7 of A231219

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A283952 A294907 A093287 * A186054 A082955 A201154

Adjacent sequences: A231215 A231216 A231217 * A231219 A231220 A231221

Keyword

nonn

Author

R. H. Hardin, Nov 05 2013

Status

approved