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A327151
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Number of orbits of the direct square of the alternating group A_n^2 where A_n acts by conjugation, such that both permutations in a representative pair are of the same conjugacy class in A_n.
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1
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1, 1, 1, 3, 8, 23, 82, 452, 2369, 18356, 143308, 1396222, 13000455, 152886068
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OFFSET
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0,4
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LINKS
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Table of n, a(n) for n=0..13.
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EXAMPLE
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For n = 3, representatives of the a(3) = 3 orbits are: (e,e), ((123),(123)), ((132),(132)), where e is the identity.
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CROSSREFS
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Cf. A110143, A327014, A327150.
Sequence in context: A148779 A148780 A148781 * A317362 A309114 A065083
Adjacent sequences: A327148 A327149 A327150 * A327152 A327153 A327154
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KEYWORD
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nonn,more
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AUTHOR
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Derek Lim, Aug 23 2019
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STATUS
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approved
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