A218925 Number of edges in the Hasse diagram of the poset of conjugacy classes of subgroups of the symmetric group.

0, 0, 1, 4, 17, 37, 149, 290, 1080, 2267, 8023, 17249, 72390, 153419

Offset

0,4

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

Liam Naughton, CountingSubgroups.g

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

Crossrefs

Sequence in context: A267766 A273683 A173511 * A356347 A182868 A178947

Adjacent sequences: A218922 A218923 A218924 * A218926 A218927 A218928

Keyword

nonn,more

Author

Liam Naughton, Nov 12 2012

Status

approved