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%I #9 Jun 25 2017 15:09:07
%S 1,2,132,46454,48860748,117834107302,554073633956884
%N Consider the family of multigraphs enriched by the species of ternary sets. Sequence gives number of those multigraphs with 3n loops and arcs.
%D G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004.
%H G. Paquin, <a href="/A038205/a038205.pdf">Dénombrement de multigraphes enrichis</a>, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. [Cached copy, with permission]
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Oct 26 2004