A013791 - OEIS

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A013791

9^(4n+3).

729, 4782969, 31381059609, 205891132094649, 1350851717672992089, 8862938119652501095929, 58149737003040059690390169, 381520424476945831628649898809, 2503155504993241601315571986085849, 16423203268260658146231467800709255289 (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)=6561a(n-1), n>0 ; a(0)=729 . G.f.: 729/(1-6561x). a(n)=81*A013790(n). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 07 2008]`
	PROG	`(MAGMA) [9^(4*n+3): n in [0..15]]; // Vincenzo Librandi, Jun 28 2011`
	CROSSREFS	`Sequence in context: A017022 A017106 A017202 * A017310 A017430 A017562` `Adjacent sequences: A013788 A013789 A013790 * A013792 A013793 A013794`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.