|
%I #5 Mar 31 2012 12:36:49
%S 27425677,1467328435,80702629805,4416423552899,237078101794811,
%T 12758620895555309,689832527025219649,37277534522856049763,
%U 2013000583727246361937,108671912957615775955061
%N Number of (n+3)X8 binary arrays with no more than two of any consecutive four bits set in any row or column
%C Column 5 of A202574
%H R. H. Hardin, <a href="/A202571/b202571.txt">Table of n, a(n) for n = 1..17</a>
%e Some solutions for n=2
%e ..0..1..1..0..0..1..0..0....0..1..1..0..0..1..1..0....0..0..0..1..1..0..0..0
%e ..0..0..1..1..0..0..1..1....0..1..1..0..0..0..0..0....1..1..0..0..0..1..0..0
%e ..0..0..0..1..1..0..0..0....0..0..0..0..0..1..0..1....0..0..0..0..1..1..0..0
%e ..0..0..0..0..1..0..0..1....0..0..0..0..0..0..1..0....1..1..0..0..0..0..0..1
%e ..1..0..0..0..0..0..1..0....1..1..0..0..0..0..1..1....0..0..0..0..0..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 21 2011
| 