A003009 - OEIS

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A003009

a(n+1) = a(n) + 4^(n-1) a(n)^2.
(Formerly M3174)

3, 147, 1383123, 489735485064147, 245597025618959718190041238775763, 247062114274836300381127305147102564467751924522387062291401805739987 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,1`
	REFERENCES	`Hall, James S. A remark on the primeness of Mersenne numbers. J. London Math. Soc. 28, (1953). 285-287.` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	CROSSREFS	`Sequence in context: A203312 A203742 A203699 * A037122 A181748 A118840` `Adjacent sequences: A003006 A003007 A003008 * A003010 A003011 A003012`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 01:56 EST 2012. Contains 205860 sequences.