%I #9 Jun 25 2017 15:10:17
%S 1,2,457,941987,8153027092,208426400639147
%N Consider the family of multigraphs enriched by the species of quaternary sets. Sequence gives number of those multigraphs with 4n 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
