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A205467 Number of (n+1) X (n+1) 0..2 arrays with every 2 X 2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.

%I A205467 #7 Jun 26 2022 02:38:15
%S A205467 14,263,14639,2368164,1002405121,1094476686239,3037575583505983,
%T A205467 21477571401148556382,385928233193168681488351
%N A205467 Number of (n+1) X (n+1) 0..2 arrays with every 2 X 2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.
%C A205467 Diagonal of A205475.
%e A205467 Some solutions for n=4
%e A205467 ..0..0..0..1..0....0..1..2..1..1....0..1..1..1..1....0..1..0..2..1
%e A205467 ..1..0..1..1..0....1..1..1..1..2....0..0..0..1..2....2..0..1..0..2
%e A205467 ..0..0..0..0..0....2..1..2..1..1....1..0..1..1..2....0..1..0..1..0
%e A205467 ..2..2..0..1..0....2..1..2..1..0....0..0..0..1..1....1..0..2..0..2
%e A205467 ..0..0..0..0..0....1..1..2..1..1....2..0..1..1..2....2..1..0..1..0
%Y A205467 Cf. A205475.
%K A205467 nonn
%O A205467 1,1
%A A205467 _R. H. Hardin_, Jan 27 2012