A222325 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order

4, 0, 0, 165, 674, 3770, 15100, 172590, 759758, 6657106, 30994294, 298933498, 1368656291, 12779873412, 59202186592, 560870492027, 2605855916653, 24609622243330, 114661599066810, 1086770275159481, 5073242396321810

Offset

1,1

Comments

Column 5 of A222328

Links

R. H. Hardin, Table of n, a(n) for n = 1..110

Example

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

Crossrefs

Sequence in context: A013451 A013462 A326862 * A101453 A222399 A222519

Adjacent sequences: A222322 A222323 A222324 * A222326 A222327 A222328

Keyword

nonn

Author

R. H. Hardin Feb 15 2013

Status

approved