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A185462 Number of (n+1)X5 binary arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant 1

%I

%S 218,672,2766,13977,49670,231636,798330,3709535,12773958,59358300,

%T 204384986,949713803,3270113366,15195208008,52321104606,243120127107,

%U 837126587718,3889870442680,13393847713706,62237101136015

%N Number of (n+1)X5 binary arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant

%C Column 4 of A185467

%H R. H. Hardin, <a href="/A185462/b185462.txt">Table of n, a(n) for n = 1..200</a>

%F Empirical: a(n)=14*a(n-2)+27*a(n-4)+75*a(n-6)+77*a(n-8)+32*a(n-10)+a(n-12)-a(n-14) for n>20

%e Some solutions for 3X5

%e ..1..0..1..0..0....1..1..1..1..0....0..1..0..1..1....1..1..1..1..1

%e ..1..1..0..1..1....1..0..1..0..1....0..1..1..0..1....0..1..0..1..0

%e ..0..0..1..0..1....0..1..1..1..1....1..0..0..1..0....1..1..1..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 28 2011

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Last modified October 28 16:41 EDT 2021. Contains 348329 sequences. (Running on oeis4.)