A013721 - OEIS

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A013721

16^(2n+1).

16, 4096, 1048576, 268435456, 68719476736, 17592186044416, 4503599627370496, 1152921504606846976, 295147905179352825856, 75557863725914323419136, 19342813113834066795298816, 4951760157141521099596496896 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..100` `Tanya Khovanova, Recursive Sequences`
	FORMULA	`a(n)=256a(n-1), n>0 ; a(0)=16 . G.f.: 16/(1-256x). a(n)=4*A013780(n). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 27 2008]`
	PROG	`(MAGMA) [16^(2*n+1): n in [0..15]]; // Vincenzo Librandi, Jun 04 2011`
	CROSSREFS	`Sequence in context: A087519 A060616 A016936 * A053859 A053863 A053765` `Adjacent sequences: A013718 A013719 A013720 * A013722 A013723 A013724`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 02:39 EST 2012. Contains 205567 sequences.