A128795 - OEIS

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A128795

n^3*9^n.

0, 9, 648, 19683, 419904, 7381125, 114791256, 1640558367, 22039921152, 282429536481, 3486784401000, 41768190339579, 488038239039168, 5584479224838813, 62773918496412984, 694882570819440375 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`G.f.: 9x(1+36x+81x^2)/(1-9x)^4. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 19 2008]`
	CROSSREFS	`Cf. A036289; A007758.` `Sequence in context: A158881 A188394 A157597 * A191510 A081232 A020548` `Adjacent sequences: A128792 A128793 A128794 * A128796 A128797 A128798`
	KEYWORD	`nonn`
	AUTHOR	`Mohammad K. Azarian (azarian(AT)evansville.edu), Apr 07 2007`

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.