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A098637 Consider the family of multigraphs enriched by the species of odd sets. Sequence gives number of those multigraphs with n loops and edges. 3

%I #9 Jun 25 2017 15:06:49

%S 1,2,7,45,431,5677,97304,2086120,54337094,1681862711,60786960947,

%T 2529205845825

%N Consider the family of multigraphs enriched by the species of odd sets. 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 August 19 05:55 EDT 2024. Contains 375284 sequences. (Running on oeis4.)