A218926 Number of edges in the Hasse diagram of the poset of conjugacy classes of subgroups of the alternating group.

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

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

Cf. A218925.

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