A218925 - OEIS

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A218925

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

2

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

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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