A155589 - OEIS

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A155589

6^n+2^n-1^n.

1, 7, 39, 223, 1311, 7807, 46719, 280063, 1679871, 10078207, 60467199, 362799103, 2176786431, 13060702207, 78364180479, 470185017343, 2821109972991, 16926659575807, 101559956930559, 609359740534783, 3656158441111551 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`G.f.: 1/(1-6x)+1/(1-2x)-1/(1-x). E.g.f.: e^(6x)+e^(2x)-e^x.` `a(n)=8a(n-1)-12a(n-2)-5 with a(0)=1, a(1)=7 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 21 2010]`
	CROSSREFS	`A074501; A074600; A005057; A005056; A099393; A155588` `Sequence in context: A092923 A164550 A125786 * A071082 A122884 A139173` `Adjacent sequences: A155586 A155587 A155588 * A155590 A155591 A155592`
	KEYWORD	`nonn`
	AUTHOR	`Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 24 2009`

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