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A362646
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Number of nonisomorphic unordered triples of permutations of an n-set.
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5
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1, 1, 4, 17, 159, 2655, 88885, 4255594, 271455237, 21965858675, 2195840991306, 265649187979346, 38249422682143111, 6463715133421876832, 1266831272565696798499, 285028258254526750598805, 72965650731146278648727481, 21086743012582576506980525584
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OFFSET
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0,3
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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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