A107361 - OEIS

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A107361

G.f. 1/((3*x-1)*(x^2-x-1)).

1, 2, 8, 21, 68, 196, 601, 1782, 5380, 16085, 48344, 144888, 434897, 1304314, 3913552, 11739669, 35220604, 105659228, 316981865, 950938830, 2852827436, 8558464597, 25675422448, 77026220976, 231078737953, 693236092466 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Index entries for sequences related to linear recurrences with constant coefficients`
	FORMULA	`a(n) = (1/11)[A000244(n+2) + (-1)^nA001060(n)].` `a(0)=1, a(1)=2, a(n) = (1/11)[3^(n+2) + (-1)^n{Fib(n+4)-Fib(n-1)}], Fib(n) = A000045(n). -- Ralf Stephan, Nov 27 2010`
	MAPLE	`with(gfun): seriestolist(series(1/((3x-1)(x^2-x-1)), x=0, 32));`
	CROSSREFS	`Sequence in context: A143229 A123285 A143212 * A085077 A153827 A137101` `Adjacent sequences: A107358 A107359 A107360 * A107362 A107363 A107364`
	KEYWORD	`nonn`
	AUTHOR	`Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), May 23 2005`

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Last modified February 16 07:10 EST 2012. Contains 205874 sequences.