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A098624
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Consider the family of multigraphs enriched by the species of derangements. Sequence gives number of those multigraphs with n edges.
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0
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1, 0, 1, 2, 15, 84, 750, 6852, 79639, 1006184, 14875218, 241078100, 4392257716, 87279581232
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