id:A090491 - OEIS Search Results

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G.f.: (1+x^3+x^4+x^5+x^6+x^9)/((1-x)*(1-x^2)^2*(1-x^3)*(1-x^4)).

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1, 1, 3, 5, 10, 15, 26, 37, 57, 79, 112, 149, 202, 260, 338, 425, 536, 659, 812, 980, 1184, 1408, 1673, 1963, 2302, 2670, 3094, 3554, 4077, 4642, 5279, 5964, 6730, 7552, 8463, 9438, 10513, 11659, 12915, 14252, 15709, 17256, 18935, 20713, 22635, 24667, 26854 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Molien series for permutation representation of S_4 on pairs of elements from a set of size 4.`
	REFERENCES	`H. Derksen and G. Kemper, Computational Invariant Theory, Springer, 2002; p. 92.`
	LINKS	`Index entries for Molien series`
	CROSSREFS	`Adjacent sequences: A090488 A090489 A090490 this_sequence A090492 A090493 A090494` `Sequence in context: A023602 A024452 A074968 this_sequence A126728 A070557 A132302`
	KEYWORD	`nonn`
	AUTHOR	`njas, Feb 02 2004`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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