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%I #4 Nov 01 2013 20:19:12
%S 4584,76682,8838040,161835904,15744800360,295706164414,29418861515276,
%T 546918612768188,54302516885868700,1012217881734520402,
%U 100529076003975579204,1872900054912118231160,185992129163581425898076
%N Number of (n+3)X(6+3) 0..3 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero
%C Column 6 of A230949
%H R. H. Hardin, <a href="/A230947/b230947.txt">Table of n, a(n) for n = 1..110</a>
%e Some solutions for n=2
%e ..0..x..2..x..2..x..1..x..1....0..x..0..x..3..x..1..x..1
%e ..x..1..x..3..x..1..x..2..x....x..1..x..2..x..0..x..2..x
%e ..0..x..2..x..0..x..3..x..3....0..x..2..x..3..x..3..x..1
%e ..x..2..x..0..x..2..x..0..x....x..1..x..3..x..2..x..0..x
%e ..1..x..3..x..1..x..1..x..3....0..x..0..x..2..x..3..x..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 01 2013
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