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
Keywords
Examples
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
Links
- R. H. Hardin, Table of n, a(n) for n = 1..110
Comments