A013827 - OEIS

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A013827

3^(5*n+2).

9, 2187, 531441, 129140163, 31381059609, 7625597484987, 1853020188851841, 450283905890997363, 109418989131512359209, 26588814358957503287787, 6461081889226673298932241, 1570042899082081611640534563 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..200` `Tanya Khovanova, Recursive Sequences`
	FORMULA	`a(n)=243a(n-1), n>0 ; a(0)=9 . G.f.: 9/(1-243x). a(n)=3*A013826(n) . [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 26 2008]`
	PROG	`(MAGMA) [3^(5*n+2): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011`
	CROSSREFS	`Sequence in context: A004820 A162091 A172959 * A058428 A069704 A033997` `Adjacent sequences: A013824 A013825 A013826 * A013828 A013829 A013830`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.