id:A092549 - OEIS Search Results

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Molien series for symmetrized weight enumerators of self-dual codes over GF(4) + GF(4)u with u^2 = 0.

+0
2

1, 1, 3, 3, 8, 9, 18, 20, 37, 42, 69, 78, 122, 139, 204, 231, 327, 371, 505, 570, 756, 852, 1100, 1234, 1563, 1749, 2173, 2421, 2964, 3293, 3974, 4398, 5247, 5790, 6831, 7512, 8782, 9631, 11160, 12201, 14033, 15303, 17475, 19004, 21568, 23400, 26400, 28572 (list; graph; listen)

	OFFSET	`0,3`
	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+x^5+x^8+x^13)/((1-x)(1-x^2)^2(1-x^4)^2*(1-x^6)).`
	CROSSREFS	`Cf. A092548.` `Sequence in context: A021299 A141678 A135477 this_sequence A022663 A092481 A099508` `Adjacent sequences: A092546 A092547 A092548 this_sequence A092550 A092551 A092552`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 09 2004`
	EXTENSIONS	`Corrected by G. Nebe, Jun 30 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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