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%I #8 Dec 18 2015 18:18:05
%S 1,14,608,246038,166075313,1008907523438,10215188674804688,
%T 930859067991577148438,141374220951220779418945313,
%U 193240888262699902868270874023438
%N Number of n X n 0..3 arrays with every element equal to a diagonal or antidiagonal reflection, and new values 0 upwards introduced in row major order
%C Column 2 of A209684
%H R. H. Hardin, <a href="/A209678/b209678.txt">Table of n, a(n) for n = 1..42</a>
%e Some.solutions.for.n=3
%e ..0..0..1....0..0..1....0..1..2....0..0..1....0..1..2....0..1..2....0..0..1
%e ..0..0..0....0..2..0....2..1..1....0..0..2....1..1..1....0..1..1....0..1..1
%e ..1..0..0....2..0..1....1..2..0....0..2..0....0..1..0....0..0..0....2..1..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 11 2012