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A098342
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Consider the family of multigraphs enriched by the species of binary arborescences. Sequence gives number of those multigraphs with n edges.
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0
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1, 1, 6, 63, 958, 19254, 484735, 14759358, 530271461, 22073719357, 1049789517047, 56406216212727
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OFFSET
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0,3
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REFERENCES
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G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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