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A207882 Number of nX5 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically.

%I A207882 #7 Jul 22 2025 20:55:32
%S A207882 13,169,493,1360,4387,14225,49586,175747,645245,2403872,9120677,
%T A207882 34960907,135357992,527526895,2067755087,8138519992,32142126101,
%U A207882 127268868773,504981199930,2006919956813,7986355654043,31813478437106,126832238503405
%N A207882 Number of nX5 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically.
%C A207882 Column 5 of A207885
%H A207882 R. H. Hardin, <a href="/A207882/b207882.txt">Table of n, a(n) for n = 1..210</a>
%F A207882 Empirical: a(n) = 10*a(n-1) -10*a(n-2) -192*a(n-3) +523*a(n-4) +1371*a(n-5) -5841*a(n-6) -3846*a(n-7) +32138*a(n-8) -2492*a(n-9) -101383*a(n-10) +45525*a(n-11) +191278*a(n-12) -128400*a(n-13) -213000*a(n-14) +178176*a(n-15) +129368*a(n-16) -132968*a(n-17) -32752*a(n-18) +50112*a(n-19) -1856*a(n-20) -7296*a(n-21) +1536*a(n-22) for n>23
%e A207882 Some solutions for n=4
%e A207882 ..1..1..1..1..0....0..0..1..1..1....0..0..1..1..0....1..0..0..1..1
%e A207882 ..1..1..0..0..1....1..0..0..1..0....0..0..1..1..0....1..1..1..0..0
%e A207882 ..1..1..1..0..0....0..1..1..1..0....1..1..1..1..0....1..0..0..1..0
%e A207882 ..1..1..0..0..1....1..0..0..1..0....0..0..1..1..1....1..1..0..0..1
%K A207882 nonn
%O A207882 1,1
%A A207882 _R. H. Hardin_ Feb 21 2012