id:A100024 - OEIS Search Results

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Molien series for complete weight enumerators of trace-additive Hermitian self-dual codes over the Galois ring GR(4,2).

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1, 7, 46, 237, 1056, 4071, 13986, 43461, 124146, 329681, 822074, 1939691, 4359264, 9381561, 19422294, 38828715, 75208515, 141537930, 259444020, 464210670, 812292096, 1392398634, 2341628076, 3868602654, 6286255716, 10057721934, 15859890444, 24670480954 (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 := 1 + 9t^2 + 27t^3 + 27t^4 + 27t^5 + 27t^6 + 9t^7 + t^9, u2 := (1-t)^7*(1-t^2)^9.`
	CROSSREFS	`Sequence in context: A071971 A006680 A034471 this_sequence A086092 A081894 A128597` `Adjacent sequences: A100021 A100022 A100023 this_sequence A100025 A100026 A100027`
	KEYWORD	`nonn`
	AUTHOR	`G. Nebe (nebe(AT)math.rwth-aachen.de), Nov 10, 2004`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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