A100024 - OEIS

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A100024

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

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; 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.: 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: A203201 A175909 A034471 * A171010 A086092 A081894` `Adjacent sequences: A100021 A100022 A100023 * A100025 A100026 A100027`
	KEYWORD	`nonn`
	AUTHOR	`G. Nebe (nebe(AT)math.rwth-aachen.de), Nov 10, 2004`

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Last modified February 15 04:23 EST 2012. Contains 205694 sequences.