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A218921 Number of incidences in the poset of conjugacy classes of subgroups of the symmetric group. 3
1, 1, 3, 9, 44, 101, 523, 1195, 6751, 16986, 87884, 248635, 1709781, 4665651 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

Liam Naughton, CountingSubgroups.g.

Liam Naughton and Goetz Pfeiffer, Integer sequences realized by the subgroup pattern of the symmetric group, arXiv:1211.1911 [math.GR], 2012.

Liam Naughton and Goetz Pfeiffer, Integer sequences realized by the subgroup pattern of the symmetric group, Journal of Integer Sequences, Vol. 16, (2013), Article 13.5.8.

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

CROSSREFS

Sequence in context: A167143 A136732 A108239 * A262128 A028858 A058106

Adjacent sequences:  A218918 A218919 A218920 * A218922 A218923 A218924

KEYWORD

nonn,more

AUTHOR

Liam Naughton, Nov 12 2012

STATUS

approved

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Last modified July 29 01:22 EDT 2021. Contains 346340 sequences. (Running on oeis4.)