id:A124612 - OEIS Search Results

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Poincare series P(C_{4,2}; x).

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1, 2, 6, 14, 34, 68, 144, 276, 534, 974, 1774, 3106, 5410, 9146, 15334, 25158, 40884, 65264, 103204, 160808, 248222, 378350, 571534, 853890, 1264962, 1855638, 2700490, 3895626, 5577846, 7923072, 11176164, 15650712, 21774473, 30092868, 41337096, 56434524 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`Dragomir Z. Djokovic, Poincare series of some pure and mixed trace algebras of two generic matrices. See Table 3, lines 6 and 7, also Table 5, lines 3-7.`
	FORMULA	`G.f.: (1-x^2+x^4)(1-x-x^3+x^4+2x^5+x^6-x^7-x^9+x^10) / ((1-x)^3(1-x^2)^4(1-x^3)^5*(1-x^4)^5).`
	CROSSREFS	`Sequence in context: A083404 A089351 A005380 this_sequence A124613 A124614 A070933` `Adjacent sequences: A124609 A124610 A124611 this_sequence A124613 A124614 A124615`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 21 2006`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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