%I #4 Dec 18 2015 18:17:22
%S 2,3,9,48,438,6377,126669,3292900,104320191,3946694150,175609255247,
%T 9053540315118,533880519494913
%N Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 5 ones in any row
%K nonn
%O 1,1
%A _R. H. Hardin_ Jun 25 2009