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%I #10 Apr 28 2021 01:25:42
%S 0,2,888,186576,58038768,33555543408,39647663129952,
%T 100358466494032656,559874175467657854896,7007180500895781669589584
%N Number of defective 3-colorings of an n X n 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
%C Diagonal of A229685.
%e Some solutions for n=3:
%e 0 0 0 0 1 1 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1
%e 1 0 1 0 2 2 2 2 1 2 2 1 0 0 1 1 1 1 2 0 1
%e 1 2 2 2 1 2 2 0 1 0 1 1 2 2 2 1 2 2 2 2 1
%K nonn,more
%O 1,2
%A _R. H. Hardin_, Sep 27 2013
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