A140788 - OEIS

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A140788

6*4^n+2.

8, 26, 98, 386, 1538, 6146, 24578, 98306, 393218, 1572866, 6291458, 25165826, 100663298, 402653186, 1610612738, 6442450946, 25769803778, 103079215106, 412316860418, 1649267441666, 6597069766658, 26388279066626 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`Also 2*A140660.`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..1000`
	FORMULA	`a(n)=5a(n-1)-4a(n-2). G.f.: 2(4-7x)/((1-x)(1-4x)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 07 2009]`
	PROG	`(MAGMA) [6*4^n+2: n in [0..30]]; // Vincenzo Librandi, Aug 08 2011`
	CROSSREFS	`Sequence in context: A027004 A194021 A173365 * A082573 A112645 A194997` `Adjacent sequences: A140785 A140786 A140787 * A140789 A140790 A140791`
	KEYWORD	`nonn,easy`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Jul 14 2008`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 07 2009`

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.