A094618 - OEIS

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A094618

3^(n+1) - 2^(n+1) + n + 1.

2, 7, 22, 69, 216, 671, 2066, 6313, 19180, 58035, 175110, 527357, 1586144, 4766599, 14316154, 42981201, 129009108, 387158363, 1161737198, 3485735845, 10458256072, 31376865327, 94134790242, 282412759289, 847255055036 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	FORMULA	`a(n)=2a(n-1)+1-n+3^n, a(0)=2`
	CROSSREFS	`Row sums of A094617.` `Cf. A094617.` `Sequence in context: A060816 A171847 A037552 * A077833 A106438 A109999` `Adjacent sequences: A094615 A094616 A094617 * A094619 A094620 A094621`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), May 14 2004`
	EXTENSIONS	`New definition from Ralf Stephan, Dec 01, 2004`

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.