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Search: id:A029725
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| A029725 |
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Number of distinct subgroups of alternating group A_n, counting conjugates as distinct. |
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+0
3
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| 1, 1, 1, 2, 10, 59, 501, 3786, 48337, 508402, 6469142, 81711572, 2019160542, 31945830446
(list; graph; listen)
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OFFSET
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0,4
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LINKS
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G. Pfeiffer, Subgroups
N. J. A. Sloane, Transforms
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FORMULA
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Exponential transform of A116652. - Christian G. Bower (bowerc(AT)usa.net), Feb 23 2006
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PROGRAM
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(MAGMA) n := 5; &+[ Length(s):s in SubgroupLattice(Alt(n)) ];
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CROSSREFS
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Cf. A005432. Labeled version of A029726.
Sequence in context: A124964 A026132 A095993 this_sequence A026161 A025188 A114620
Adjacent sequences: A029722 A029723 A029724 this_sequence A029726 A029727 A029728
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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a(9)-a(13) added by Christian G. Bower (bowerc(AT)usa.net), Feb 23 2006 based on Goetz Pfeiffer's web page.
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