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%I #5 Mar 31 2012 12:36:00
%S 315,2755,14119,53739,247879,904411,2909367
%N 1/6 the number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last
%C Diagonal of A184477
%e Some solutions with a(1,1)=0 for 4X4
%e ..0..2..1..0....0..2..1..0....0..1..2..0....0..0..1..1....0..2..1..0
%e ..0..0..0..0....1..1..2..2....0..0..1..1....1..0..0..0....1..1..2..1
%e ..1..1..1..1....2..2..1..1....1..0..1..0....1..2..1..1....1..2..2..1
%e ..0..1..2..0....1..0..2..1....2..0..1..2....0..0..1..1....1..2..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 15 2011
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