id:A092547 - OEIS Search Results

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Molien series for complete weight enumerators of Type II self-dual codes over Z/8Z containing the all-ones vector.

+0
4

1, 13, 673, 8485, 54806, 239653, 810554, 2286970, 5645962, 12569202, 25774647, 49439178, 89715139, 155363247, 258516275, 415556399, 648154544, 984466839, 1460477524, 2121535332, 3024090172, 4237589492, 5846620281, 7953274324, 10679706157, 14170967905 (list; graph; listen)

	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.: u1/u2 where u1 := subs(x=x^16, f); u2 := (1-x^16 )^3(1-x^32 )^2(1-x^48 )^3; and` `f := 1 + 10x + 635x^2 + 6481x^3 + 30054x^4 + 85114 x^5 + 166002 x^6 + 235709 x^7 + 254210 x^8 + 205865 x^9 + 123812 x^10 + 53334 x^11 + 15059 x^12 + 2247 x^13 + 115 x^14.`
	CROSSREFS	`Cf. A092544-A092546.` `Sequence in context: A067407 A143734 A068232 this_sequence A157027 A042307 A012746` `Adjacent sequences: A092544 A092545 A092546 this_sequence A092548 A092549 A092550`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 09 2004`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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