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%I #4 Apr 09 2014 19:06:54
%S 5,193,7993,333308,13897353,579476701,24162243789,1007486056500,
%T 42008844856285,1751630302786777,73037207055319249,
%U 3045410673315147020,126983581950165639585,5294796602205290417269,220775557186425817150245
%N Number of nX4 0..3 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..3 introduced in row major order
%C Column 4 of A240642
%H R. H. Hardin, <a href="/A240639/b240639.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 38*a(n-1) +193*a(n-2) -1416*a(n-3) -7253*a(n-4) -47234*a(n-5) -212251*a(n-6) -820896*a(n-7) -1101555*a(n-8) +3235842*a(n-9) +4995027*a(n-10) +822312*a(n-11) +1108809*a(n-12) -3188646*a(n-13) -4782969*a(n-14)
%e Some solutions for n=3
%e ..0..1..0..2....0..1..2..3....0..1..0..1....0..1..2..3....0..1..2..0
%e ..2..0..2..3....3..0..3..0....1..0..1..0....3..2..0..1....1..3..1..1
%e ..0..3..1..0....0..2..1..2....2..3..2..1....2..3..1..0....2..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 09 2014
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