A098789 Stable Poincaré series [or Poincare series] for Lie algebra of types B or C.

1, 2, 2, 2, 2, 5, 12, 20, 29, 45, 75, 127, 213, 349, 568, 928, 1520, 2495, 4094, 6699, 10950, 17908, 29286, 47864, 78196, 127722, 208562, 340463, 555623, 906581, 1478943, 2412061, 3933043, 6412032, 10451715, 17033326, 27754758

Offset

0,2

Comments

Lehrer-Segal give a recurrence; both this reference and the Lehrer article give the first 50 terms.

References

G. I. Lehrer and G. B. Segal, Homology stability for classical regular semisimple varieties, Math. Zeit., 236 (2001), 251-290; p. 286.

Links

Table of n, a(n) for n=0..36.

G. I. Lehrer, Some sequences arising at the interface of representation theory and homotopy theory

Crossrefs

Cf. A098787, A098788, A098705.

Sequence in context: A222255 A350970 A126788 * A162489 A336486 A079894

Adjacent sequences: A098786 A098787 A098788 * A098790 A098791 A098792

Keyword

nonn,easy,nice

Author

N. J. A. Sloane, Oct 28 2004

Status

approved