A218926 - OEIS

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A218926

Number of edges in the Hasse diagram of the poset of conjugacy classes of subgroups of the alternating group.

1

0, 0, 0, 1, 5, 13, 44, 98, 419, 722, 1592, 3304, 12645, 24792

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OFFSET

0,5

LINKS

Table of n, a(n) for n=0..13.

Liam Naughton and Goetz Pfeiffer, Integer sequences realized by the subgroup pattern of the symmetric group, arXiv:1211.1911 and J. Int. Seq. 16 (2013) #13.5.8

Liam Naughton, CountingSubgroups.g

Liam Naughton and Goetz Pfeiffer, Tomlib, The GAP table of marks library

CROSSREFS

Sequence in context: A183315 A183184 A115785 * A360798 A113835 A006349

Adjacent sequences: A218923 A218924 A218925 * A218927 A218928 A218929

KEYWORD

nonn,more

AUTHOR

Liam Naughton, Nov 12 2012

STATUS

approved