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A186841 Number of (n+1)X(n+1) binary arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum 0

%I

%S 16,218,6138,313412,32584548,6898399878,2945465789710,

%T 2594103702923620,4715152509383191910

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

%C Diagonal of A186850

%e Some solutions for 3X3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 27 2011

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Last modified August 14 15:34 EDT 2022. Contains 356122 sequences. (Running on oeis4.)