A183384 Half the number of nX5 binary arrays with no element equal to a strict majority of its king-move neighbors

3, 19, 89, 531, 4194, 28496, 189978, 1323249, 9160222, 62861079, 433195146, 2989018379, 20598435789, 141965245267, 978751411526, 6747305898533, 46512680306367, 320649323955713, 2210510404952826, 15238846032351439

Offset

1,1

Comments

Column 5 of A183386

Links

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

Example

Some solutions for 7X5
..0..1..0..0..1....0..0..0..0..1....0..1..0..0..1....0..1..0..1..0
..1..0..1..1..0....1..1..1..1..0....0..1..1..1..0....0..1..1..1..0
..1..0..0..1..0....0..1..0..1..0....0..1..0..0..1....1..0..0..0..1
..1..0..1..1..0....1..0..0..0..1....0..1..1..1..0....1..0..1..1..0
..0..1..0..1..0....0..1..1..1..0....1..1..0..0..1....0..0..1..0..1
..0..1..1..0..1....1..0..0..1..1....0..0..0..0..1....1..1..0..0..1
..1..0..1..0..1....0..1..1..0..0....1..1..1..1..0....0..1..0..1..0

Crossrefs

Sequence in context: A089621 A204256 A015528 * A050863 A376836 A283380

Adjacent sequences: A183381 A183382 A183383 * A183385 A183386 A183387

Keyword

nonn

Author

R. H. Hardin Jan 04 2011

Status

approved