%I #5 Dec 18 2015 18:17:23
%S 3,12,124,3084,185372,27575084,10417956924,10221185826892,
%T 26504730763164764,184169429458588129644,3466700754295862842687612,
%U 178350026183671506033012278924,25264252738038225534160060999871644
%N Number of n X n symmetric 0..2 arrays with rows, considered as 3-ary numbers, in strictly increasing order
%H R. H. Hardin, <a href="/A162127/b162127.txt">Table of n, a(n) for n=1..15</a>
%K nonn
%O 1,1
%A _R. H. Hardin_ Jun 25 2009