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%I #6 Sep 04 2022 22:20:13
%S 51474508,195351371872,761894242946484,2987170312757672908,
%T 11724359174003264630400,46027674099447532469280380,
%U 180705599017375127320670453920,709462514504983014544616127594356
%N Number of (n+1) X (6+1) 0..3 arrays with every 2 X 2 subblock summing to 4 5 6 7 or 8.
%C Column 6 of A251499.
%H R. H. Hardin, <a href="/A251497/b251497.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..0..0..2..0..3..3..1....0..0..2..0..2..0..0....0..0..0..2..2..1..0
%e ..2..2..2..0..2..0..2....3..2..2..0..2..1..3....2..2..2..3..1..3..1
%Y Cf. A251499.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 03 2014
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