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A207439 Number of nX5 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.

%I A207439 #7 Jul 22 2025 20:26:08
%S A207439 14,196,1058,6092,41092,287176,2078416,15205846,112194576,830644666,
%T A207439 6164313588,45797993894,340506032496,2532629346748,18841813944052,
%U A207439 140194996784152,1043225043809532,7763261577517704,57772735506889650
%N A207439 Number of nX5 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.
%C A207439 Column 5 of A207442
%H A207439 R. H. Hardin, <a href="/A207439/b207439.txt">Table of n, a(n) for n = 1..210</a>
%F A207439 Empirical: a(n) = 12*a(n-1) +11*a(n-2) -527*a(n-3) +509*a(n-4) +10409*a(n-5) -14705*a(n-6) -122529*a(n-7) +177998*a(n-8) +954829*a(n-9) -1262733*a(n-10) -5160618*a(n-11) +5837090*a(n-12) +19745843*a(n-13) -18587143*a(n-14) -53918092*a(n-15) +42406647*a(n-16) +105213797*a(n-17) -71528289*a(n-18) -146069025*a(n-19) +90996128*a(n-20) +142347619*a(n-21) -87266101*a(n-22) -94470880*a(n-23) +61334863*a(n-24) +40008895*a(n-25) -29788778*a(n-26) -9229349*a(n-27) +9062894*a(n-28) +557436*a(n-29) -1449822*a(n-30) +147300*a(n-31) +81432*a(n-32) -15120*a(n-33) for n>34
%e A207439 Some solutions for n=4
%e A207439 ..1..1..1..1..0....1..1..1..1..1....0..1..1..1..1....1..1..0..0..0
%e A207439 ..0..1..1..1..1....0..1..1..1..1....1..1..1..0..0....0..1..1..0..0
%e A207439 ..1..0..0..0..0....1..1..1..1..1....0..1..1..1..1....1..0..0..0..0
%e A207439 ..0..1..1..1..1....1..1..1..1..0....1..1..1..1..0....1..1..1..0..0
%K A207439 nonn
%O A207439 1,1
%A A207439 _R. H. Hardin_ Feb 17 2012