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%I #6 Dec 18 2015 18:18:35
%S 2,12,100,884,7812,68282,590254,5055858,42996954,363652198,3062704166,
%T 25711681080,215327121414,1799987423914,15026012170736,
%U 125307656075926,1044220994847456,8697261784264396,72413790737672880,602789200212580366
%N Number of n X n 0..1 arrays with rows unimodal and antidiagonals nondecreasing
%C Diagonal of A224409
%H R. H. Hardin, <a href="/A224403/b224403.txt">Table of n, a(n) for n = 1..50</a>
%e Some solutions for n=3
%e ..0..0..0....1..0..0....0..0..0....0..0..0....1..0..0....0..0..1....0..0..0
%e ..0..0..1....0..0..1....1..0..0....1..0..0....1..1..1....0..1..0....0..1..0
%e ..1..1..1....1..1..0....0..1..1....0..0..1....1..1..1....1..0..0....1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 05 2013
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