%I #9 Jun 25 2017 15:20:09
%S 1,1,8,113,2374,67927,2508632,115219211,6402538044,42137859873,
%T 32293353537408,2842256451820073
%N Consider the family of multigraphs enriched by the species of arborescences. Sequence gives number of those multigraphs with n 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 0,3
%A _N. J. A. Sloane_, Oct 26 2004