A207301 - OEIS

%I #6 Dec 18 2015 18:18:00

%S 2,16,98,643,3773,23091,154228,1050811,7236644,51776044,383107149,

%T 2907310903,22583670553,180085426836,1470632881207

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

%C Diagonal of A207305

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012