%I #6 Aug 19 2022 15:19:51
%S 203391,216477,232326,253176,309042,413100,660654
%N 1/36 the number of (n+2) X 9 0..2 arrays with each 3 X 3 subblock containing two of one value, two of another, and five of the last.
%C Column 7 of A184457.
%e Some solutions with a(1,1) = 0 for 4 X 9
%e ..0..0..0..2..2..1..1..1..1....0..0..0..2..1..1..2..1..1
%e ..0..1..1..2..1..2..1..2..2....0..1..1..2..0..2..2..2..2
%e ..0..2..2..2..0..0..1..0..0....0..2..2..2..2..0..2..0..0
%e ..0..0..0..2..2..1..1..1..1....0..0..0..2..1..1..2..1..1
%Y Cf. A184457.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 14 2011
