id:A096338 - OEIS Search Results

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a(0)=0, a(1)=1, a(n)=(2/(n-1))*a(n-1)+((n+5)/(n-1))*a(n-2).

+0
6

0, 1, 2, 6, 10, 20, 30, 50, 70, 105, 140, 196, 252, 336, 420, 540, 660, 825, 990, 1210, 1430, 1716, 2002, 2366, 2730, 3185, 3640, 4200, 4760, 5440, 6120, 6936, 7752, 8721, 9690, 10830, 11970, 13300, 14630, 16170, 17710, 19481, 21252, 23276, 25300, 27600 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Without the leading zero, Poincare series P(C_{2,2}; t).`
	LINKS	`Dragomir Z. Djokovic, Poincare series of some pure and mixed trace algebras of two generic matrices. See Table 3.`
	FORMULA	`G.f.: x/[(1-x)^2*(1-x^2)^3]. - R. Stephan, Jun 29 2004`
	CROSSREFS	`Cf. A006918.` `Cf. A038163, A060099, A058187.` `Sequence in context: A097646 A077084 A007926 this_sequence A014279 A050543 A025588` `Adjacent sequences: A096335 A096336 A096337 this_sequence A096339 A096340 A096341`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 28 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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