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A362902
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Number of nonisomorphic multisets of fixed-point-free endofunctions on an n-set with n endofunctions.
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2
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1, 0, 1, 22, 81015, 78954264778, 28097782272713021650, 5303746708038163087962610366540, 750301169575330570948709311656320180808090293, 107340347538849305728376873042317973326061404804760169389400111, 20170881768834535901905153264317820972982675109510814553304001503205327205300015737
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OFFSET
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0,4
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COMMENTS
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Isomorphism is up to permutation of the elements of the n-set.
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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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