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Number of nX8 binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors
0

%I #4 Mar 31 2012 12:35:52

%S 19,612,16506,490864,10466773,267932379,6843217545,174957270750

%N Number of nX8 binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors

%C Column 8 of A183517

%e Some solutions for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 05 2011