A202569 - OEIS

%I #5 Mar 31 2012 12:36:49

%S 447963,9145905,190831031,3960376543,80702629805,1650251537699,

%T 33893365153497,695679344750295,14266522729384801,292506817718340157,

%U 5999724006170408813,123064647086206561213,2524092303762641995933

%N Number of (n+3)X6 binary arrays with no more than two of any consecutive four bits set in any row or column

%C Column 3 of A202574

%H R. H. Hardin, <a href="/A202569/b202569.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 21 2011