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A098621 Consider the family of multigraphs enriched by the species of partitions. Sequence gives number of those multigraphs with n loops and edges. 3

%I

%S 1,2,11,95,1173,19364,407447,10552664,327719713,119600021230,

%T 504784756672,24321086122048

%N Consider the family of multigraphs enriched by the species of partitions. Sequence gives number of those multigraphs with n loops and edges.

%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

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Last modified June 16 19:49 EDT 2021. Contains 345068 sequences. (Running on oeis4.)