A208076 - OEIS

%I #5 Mar 31 2012 12:37:21

%S 26,676,7722,88209,1228095,17098225,223058440,2909955136,38883428584,

%T 519568497721,6878039830935,91051386147225,1209832312020990,

%U 16075474357340836,213279261525196790,2829654813636106225

%N Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically

%C Column 6 of A208078

%H R. H. Hardin, <a href="/A208076/b208076.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 23 2012