id:A116138 - OEIS Search Results

Search: id:A116138

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(n^2+n)*3^n.

+0
1

0, 6, 54, 324, 1620, 7290, 30618, 122472, 472392, 1771470, 6495390, 23383404, 82904796, 290166786, 1004423490, 3443737680, 11708708112, 39516889878, 132497807238, 441659357460, 1464449448420, 4832683179786, 15878816162154 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: 6x/(1-3x)^3. a(n)=6*A027472(n+2). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 19 2008]`
	CROSSREFS	`Cf. A007758; A036289; A128796.` `Sequence in context: A097645 A153333 A072368 this_sequence A060774 A043026 A125837` `Adjacent sequences: A116135 A116136 A116137 this_sequence A116139 A116140 A116141`
	KEYWORD	`nonn`
	AUTHOR	`Mohammad K. Azarian (azarian(AT)evansville.edu), Apr 08 2007`

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

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