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%I A202311 #5 Mar 31 2012 12:36:47
%S A202311 333,1530,7835,41657,226004,1235783,6782829,37288278,205145785,
%T A202311 1129013615,6214483528,34209181595,188319539951,1036704795848,
%U A202311 5707135200185,31418307187167,172960983499418,952168615072689
%N A202311 Number of (n+2)X4 binary arrays avoiding patterns 001 and 100 in rows and columns
%C A202311 Column 2 of A202317
%H A202311 R. H. Hardin, <a href="/A202311/b202311.txt">Table of n, a(n) for n = 1..210</a>
%F A202311 Empirical: a(n) = 10*a(n-1) -24*a(n-2) -30*a(n-3) +163*a(n-4) -70*a(n-5) -283*a(n-6) +252*a(n-7) +150*a(n-8) -210*a(n-9) +7*a(n-10) +48*a(n-11) -12*a(n-12)
%e A202311 Some solutions for n=4
%e A202311 ..1..1..1..0....0..1..1..1....0..1..1..0....1..0..1..1....0..1..0..1
%e A202311 ..1..1..0..1....1..1..1..1....1..1..1..1....1..1..0..1....1..0..1..0
%e A202311 ..1..0..1..1....1..1..1..0....0..1..1..0....1..0..1..0....0..1..0..1
%e A202311 ..1..1..1..1....1..0..1..1....1..0..1..1....1..1..0..1....1..1..1..1
%e A202311 ..1..1..1..0....1..1..1..0....1..1..0..1....1..1..1..0....1..0..1..1
%e A202311 ..0..1..1..1....0..1..1..1....1..1..1..1....0..1..0..1....1..1..0..1
%K A202311 nonn
%O A202311 1,1
%A A202311 _R. H. Hardin_ Dec 16 2011

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