A222632 - OEIS

%I #4 Feb 26 2013 21:44:40

%S 5,22,67,707,3200,31574,160614,1732653,9034170,98521493,520153629,

%T 5732786567,30465987916,337740123987,1803766268924,20083828051731,

%U 107676281160198,1202858848461003,6469195403317397,72456284150820802

%N Number of nX5 0..1 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order

%C Column 5 of A222635

%H R. H. Hardin, <a href="/A222632/b222632.txt">Table of n, a(n) for n = 1..133</a>

%e Some solutions for n=3

%e ..0..0..0..1..1....0..0..0..1..0....0..0..0..1..1....0..0..0..0..1

%e ..0..0..0..1..1....0..0..0..0..0....0..0..1..1..1....0..0..0..0..0

%e ..0..0..0..1..1....0..0..0..0..0....0..1..1..1..1....0..0..0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 26 2013