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A223664 Number of n X n 0..1 arrays with rows, diagonals and antidiagonals unimodal 0

%I

%S 2,16,292,6454,136289,2715255,51831694,962697852,17643516790,

%T 323311474180

%N Number of n X n 0..1 arrays with rows, diagonals and antidiagonals unimodal

%C Diagonal of A223669

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 25 2013

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Last modified August 14 13:43 EDT 2022. Contains 356117 sequences. (Running on oeis4.)