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A207457 Number of 6 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.

%I A207457 #11 Jun 23 2018 07:21:31
%S A207457 12,144,396,2460,9216,46956,196812,932688,4086060,18819228,83939328,
%T A207457 382160076,1717133964,7780911120,35067371724,158593617564,
%U A207457 715647771648,3233959733292,14600607874380,65957362026192,297845692391532
%N A207457 Number of 6 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
%C A207457 Row 6 of A207453.
%H A207457 R. H. Hardin, <a href="/A207457/b207457.txt">Table of n, a(n) for n = 1..210</a>
%F A207457 Empirical: a(n) = a(n-1) + 16*a(n-2) + 5*a(n-3) - 25*a(n-4).
%F A207457 Empirical g.f.: 12*x*(1 + 11*x + 5*x^2 - 25*x^3) / (1 - x - 16*x^2 - 5*x^3 + 25*x^4). - _Colin Barker_, Jun 23 2018
%e A207457 Some solutions for n=5:
%e A207457   1 0 1 1 0     0 1 1 1 1     1 0 1 0 1     1 0 1 0 1
%e A207457   1 1 0 1 1     0 1 0 1 1     0 1 1 1 0     1 0 1 0 1
%e A207457   0 1 0 1 0     0 1 0 1 0     0 1 0 1 0     1 0 1 0 1
%e A207457   0 1 0 1 0     0 1 0 1 0     0 1 0 1 0     1 0 1 0 0
%e A207457   0 1 0 1 0     0 1 0 1 0     0 1 0 1 0     1 0 1 0 0
%e A207457   0 1 0 1 0     0 1 0 1 0     0 1 0 1 0     1 0 1 0 0
%Y A207457 Cf. A207453.
%K A207457 nonn
%O A207457 1,1
%A A207457 _R. H. Hardin_, Feb 17 2012