A013787 - OEIS

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A013787

7^(4n+3).

343, 823543, 1977326743, 4747561509943, 11398895185373143, 27368747340080916343, 65712362363534280139543, 157775382034845806615042743, 378818692265664781682717625943, 909543680129861140820205019889143, 2183814375991796599109312252753832343 (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)=2401a(n-1), n>0 ; a(0)=343 . G.f.: 343/(1-2401x). a(n)=49*A013786(n). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 02 2008]`
	PROG	`(MAGMA) [7^(4*n+3): n in [0..15]]; // Vincenzo Librandi, Jun 28 2011`
	CROSSREFS	`Sequence in context: A140250 A117197 A046236 * A013844 A044878 A085336` `Adjacent sequences: A013784 A013785 A013786 * A013788 A013789 A013790`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 17:48 EST 2012. Contains 205939 sequences.