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A185458 Number of (n+1)X(n+1) binary arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant 1

%I

%S 16,92,866,13977,265724,11083678,560051658,65404659846,9335228454364,

%T 3094788312788324,1254062946005871088,1180690397907898894604,

%U 1358747319295346555003560,3633103600068550758778045101

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

%C Diagonal of A185467

%H R. H. Hardin, <a href="/A185458/b185458.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for 3X3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 28 2011

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Last modified January 22 16:44 EST 2022. Contains 350484 sequences. (Running on oeis4.)