%I #4 Oct 30 2013 06:35:02
%S 84052224,128788339184,312443804166400,556151445605511168,
%T 991594953505024518400,1865179580060888014989264,
%U 3461877651419949227125424704,6376401388218250263517814866688
%N Number of (n+3)X(6+3) 0..3 arrays 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 A230796
%H R. H. Hardin, <a href="/A230794/b230794.txt">Table of n, a(n) for n = 1..47</a>
%e Some solutions for n=1
%e ..0..0..0..0..0..3..3..3..1....0..2..0..1..0..3..1..3..1
%e ..3..1..1..1..2..0..0..2..2....1..1..3..1..2..0..0..2..2
%e ..0..2..2..1..0..1..1..3..1....0..2..2..0..0..3..3..1..1
%e ..1..1..1..3..0..0..2..0..2....1..1..1..3..2..2..2..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 30 2013