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A223717 Number of n X n 0..2 arrays with rows, antidiagonals and columns unimodal 0

%I #5 Dec 18 2015 18:18:32

%S 3,81,5883,608855,74140718,9991366555,1461411174370,229731305080429,

%T 38440119395606004

%N Number of n X n 0..2 arrays with rows, antidiagonals and columns unimodal

%C Diagonal of A223725

%e Some solutions for n=3

%e ..2..1..1....2..2..0....2..2..2....1..1..2....2..0..0....2..1..1....1..2..1

%e ..0..0..1....2..1..1....2..2..0....2..1..1....0..1..0....1..2..2....1..2..1

%e ..0..0..0....1..1..1....2..2..0....0..0..1....0..2..0....0..1..0....0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 26 2013

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Last modified February 23 02:18 EST 2024. Contains 370265 sequences. (Running on oeis4.)