%I #4 Apr 20 2011 13:33:03
%S 0,1,2,5,21,110,853,11111,261077,11716550,1006700565,164059830354,
%T 50335907869219,29003487462847208,31397381142761241918,
%U 63969560113225176165145,245871831682084026519528568
%N Number of unlabeled prime graphs with respect to the Cartesian multiplication of graphs with n vertices.
%H Ji Li, <a href="http://arXiv.org/abs/0705.0038">Prime graphs and Exponential Composition of Species</a>, arXiv:0705.0038
%H Ji Li, <a href="http://dx.doi.org/10.1016/j.jcta.2008.02.008">Prime graphs and exponential composition of species</a>, J. Combin. Theory A 115 (2008) 1374-1401
%Y Cf. A001349, A125024.
%K nonn
%O 1,3
%A Ji Li (vieplivee(AT)hotmail.com), May 04 2007
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