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%I #5 Dec 18 2015 18:18:33
%S 3,81,9515,2558848,1140963027,715985189481,574360426081996,
%T 553932588795530549,616038706732274614176,766990732794703992309550,
%U 1046181711135056928867576316,1538264672813438079567996935803
%N Number of n X n 0..2 arrays with rows and antidiagonals unimodal
%C Diagonal of A223975
%e Some solutions for n=3
%e ..0..1..1....1..2..1....0..1..0....0..1..1....2..2..0....1..2..0....0..2..0
%e ..1..1..2....0..2..2....0..1..2....1..2..0....0..1..0....0..1..0....1..1..0
%e ..2..0..0....0..2..1....2..2..1....2..2..2....0..0..0....0..1..0....2..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 30 2013