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%I #4 Dec 03 2014 18:36:47
%S 58618,13580282,3143505700,727704325306,168458473890432,
%T 38996983803988656,9027534432491502252,2089812347474112645290,
%U 483777234946451208966226,111991114102820859573267808
%N Number of (n+1)X(3+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10
%C Column 3 of A251524
%H R. H. Hardin, <a href="/A251519/b251519.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 225*a(n-1) +2020*a(n-2) -118805*a(n-3) -274529*a(n-4) +18217165*a(n-5) -41626758*a(n-6) -389697238*a(n-7) +754598477*a(n-8) +1991291650*a(n-9) -4108606440*a(n-10) -1995135464*a(n-11) +6354576576*a(n-12) -1281849696*a(n-13) -2223288576*a(n-14) +901255680*a(n-15)
%e Some solutions for n=1
%e ..2..2..3..1....2..1..2..2....3..3..2..3....3..2..2..3....0..3..0..3
%e ..3..0..0..3....2..0..0..0....1..2..1..0....0..0..3..1....3..2..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 03 2014
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