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Search: id:A098627
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| A098627 |
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Consider the family of multigraphs enriched by the species of derangements. Sequence gives number of those multigraphs with n arcs. |
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| 1, 0, 1, 2, 27, 164, 2335, 25458, 437241, 6965112, 145640817, 3057675290, 76814951587, 2003471245164
(list; graph; listen)
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