%I #10 Apr 01 2018 14:15:50
%S 325,1001,3445,12785,50125,205001,867205,3771425,16784125,76156601,
%T 351254965,1642635665,7771818925,37132805801,178875434725,
%U 867570709505,4231667890525,20736710344601,102006361694485,503350999256945
%N Number of (n+1) X 3 0..4 arrays with every 2 X 2 subblock summing to 8.
%C Column 2 of A183652.
%H R. H. Hardin, <a href="/A183645/b183645.txt">Table of n, a(n) for n = 1..200</a>
%F Empirical: a(n) = 15*a(n-1) - 85*a(n-2) + 225*a(n-3) - 274*a(n-4) + 120*a(n-5).
%F Empirical g.f.: x*(325 - 3874*x + 16055*x^2 - 26930*x^3 + 15000*x^4) / ((1 - x)*(1 - 2*x)*(1 - 3*x)*(1 - 4*x)*(1 - 5*x)). - _Colin Barker_, Apr 01 2018
%e Some solutions for 5 X 3:
%e 1 2 1 0 3 0 3 1 2 0 4 0 2 2 2 2 2 2 4 1 1
%e 4 1 4 4 1 4 3 1 4 4 0 4 4 0 4 2 2 2 1 2 4
%e 1 2 1 3 0 3 1 3 0 2 2 2 1 3 1 0 4 0 3 2 0
%e 3 2 3 4 1 4 1 3 2 1 3 1 3 1 3 0 4 0 0 3 3
%e 2 1 2 0 3 0 4 0 3 1 3 1 1 3 1 1 3 1 3 2 0
%Y Cf. A183652.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 06 2011