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%I #5 Mar 31 2012 12:35:57
%S 337,5529,80812,1232795,18588589,281420718,4255603649,64377477751,
%T 973770904216,14729764992131,222807558297931,3370276970276934,
%U 50980111666109221,771145138865934865,11664642166349200910
%N Number of (n+1)X5 binary arrays with no 2X2 subblock containing fewer than two 1s
%C Column 4 of A184207
%H R. H. Hardin, <a href="/A184202/b184202.txt">Table of n, a(n) for n = 1..200</a>
%F Empirical: a(n)=14*a(n-1)+49*a(n-2)-472*a(n-3)-488*a(n-4)+4808*a(n-5)+278*a(n-6)-15914*a(n-7)+2888*a(n-8)+23043*a(n-9)-5467*a(n-10)-16111*a(n-11)+3566*a(n-12)+5580*a(n-13)-915*a(n-14)-951*a(n-15)+91*a(n-16)+73*a(n-17)-3*a(n-18)-2*a(n-19)
%e Some solutions for 3X5
%e ..1..0..1..1..1....0..1..0..1..0....1..1..0..1..1....0..1..1..0..1
%e ..1..1..0..1..1....1..1..1..0..1....1..1..0..1..1....1..1..0..1..0
%e ..0..1..0..1..0....0..1..1..0..1....0..1..1..1..0....1..0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 10 2011
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