A183311 Half the number of n X 10 binary arrays with no element equal to a strict majority of its horizontal and vertical neighbors.

34, 90, 2199, 57249, 2113257, 71244598, 2447317278, 83828453334, 2872365166632, 98443712937832, 3374443074400317, 115681374040641527, 3965953010347657340, 135970823441576045577, 4661739412614625916040, 159827567992214512088271

Offset

1,1

Comments

Column 10 of A183312.

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions with a(1,1)=0 for 10 X 4
..0..1..0..1....0..0..1..0....0..1..0..0....0..1..1..0....0..1..0..1
..1..0..0..1....1..1..0..1....1..0..1..1....1..0..0..1....0..1..1..0
..1..0..1..0....0..1..0..0....1..0..1..0....0..1..0..0....1..0..0..1
..0..1..1..0....1..0..1..1....0..1..0..1....1..0..1..1....0..1..1..0
..1..0..0..1....0..1..1..0....1..0..0..1....0..1..1..0....1..0..0..1
..1..0..0..1....0..1..0..1....0..1..1..0....1..0..0..1....0..1..0..1
..0..1..1..0....1..0..1..0....1..0..1..0....0..1..1..0....0..1..1..0
..1..0..1..0....1..0..1..1....1..0..1..1....1..1..0..1....1..0..0..1
..1..0..1..1....0..1..0..0....0..1..0..0....0..0..1..0....0..1..1..0
..0..1..0..0....0..1..0..1....0..1..0..1....1..1..0..1....0..1..0..1

Crossrefs

Cf. A183312.

Sequence in context: A248201 A140602 A067977 * A282811 A185460 A260467

Adjacent sequences: A183308 A183309 A183310 * A183312 A183313 A183314

Keyword

nonn

Author

R. H. Hardin, Jan 03 2011

Status

approved