A202309 - OEIS

%I #5 Mar 31 2012 12:36:47

%S 108,1530,60362,5792412,1298560926,664688048868,772570552594066,

%T 2032346650939236958,12089324170480855906196,

%U 162516419233430324967146120,4936419547564362889228206714104

%N Number of (n+2)X(n+2) binary arrays avoiding patterns 001 and 100 in rows and columns

%C Diagonal of A202317

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 16 2011