A263632 Euler characteristics of the Brown poset at p = 2 for the symmetric group S_n.

3, 1, -15, -15, 161, 513, -639, -7935, -20735, 235521, 3244033, 2232321, -190068735

Offset

3,1

Comments

No g.f. is known.

Links

Table of n, a(n) for n=3..15.

J. M. Møller, Euler characteristics of equivariant subcategories, arXiv preprint arXiv:1502.01317 [math.GR], 2015. See p. 21.

Crossrefs

Sequence in context: A156289 A368493 A095922 * A284861 A284234 A365338

Adjacent sequences: A263629 A263630 A263631 * A263633 A263634 A263635

Keyword

sign,more

Author

N. J. A. Sloane, Oct 28 2015

Status

approved