%I #4 Dec 01 2014 19:19:01
%S 297057,17016861,1196729319,101704182219,9919268234529,
%T 1058556262797069,119455642968747047,13949234525976217235,
%U 1663357602303254905433,200912017723012996227481,24460705247632859451004015
%N Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6
%C Column 7 of A251335
%H R. H. Hardin, <a href="/A251334/b251334.txt">Table of n, a(n) for n = 1..93</a>
%e Some solutions for n=1
%e ..0..1..0..2..2..2..2..2....0..1..1..0..1..1..2..2....0..0..1..1..0..0..0..0
%e ..2..1..0..2..0..0..0..0....1..0..0..1..0..2..1..1....0..2..1..1..2..2..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 01 2014