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A092091 Molien series for 9-dimensional group of structure Z_2 X Z_2 and order 4, corresponding to complete weight enumerators of Hermitian self-dual GF(3)-linear codes over GF(9). 1
1, 4, 17, 52, 147, 360, 819, 1712, 3382, 6312, 11286, 19368, 32154, 51744, 81114, 124080, 185823, 272844, 393679, 558844, 781781, 1078792, 1470261, 1980576, 2639676, 3482960, 4553212, 5900496, 7584516, 9674496, 12252036, 15410976, 19260813, 23926548, 29552733 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.

Index entries for Molien series

FORMULA

G.f.: (1+2*x^2+4*x^3+x^4)/((1-x)^4*(1-x^2)^5).

CROSSREFS

Cf. A052365.

Sequence in context: A184445 A131339 A047668 * A046995 A001585 A060262

Adjacent sequences:  A092088 A092089 A092090 * A092092 A092093 A092094

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 01 2004

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.