|
%I #4 Feb 23 2013 17:07:29
%S 4,10,35,423,2066,23678,128889,1529195,8569032,102004630,577797690,
%T 6918500106,39468519264,474774414486,2721664132317,32865146885501,
%U 189103727308651,2290577790555642,13219410500639451,160529083824632284
%N Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order
%C Column 5 of A222509
%H R. H. Hardin, <a href="/A222506/b222506.txt">Table of n, a(n) for n = 1..105</a>
%e Some solutions for n=3
%e ..0..1..0..0..0....0..0..0..1..1....0..0..1..1..1....0..0..1..1..1
%e ..1..0..0..0..0....0..0..0..1..0....0..0..1..1..1....0..1..1..1..1
%e ..0..0..0..0..0....0..0..0..1..1....1..0..1..1..1....1..1..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 23 2013
| 