A011918 - OEIS

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A011918

A011916(n) + A011922(n) - 1.

5, 76, 1065, 14840, 206701, 2878980, 40099025, 558507376, 7779004245, 108347552060, 1509086724601, 21018866592360, 292755045568445, 4077551771365876, 56792969753553825, 791024024778387680 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	REFERENCES	`Mario VELUCCHI "Seeing couples" in Recreational and Educational Computing, to appear 1997.`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (15,-15,1). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 15 2010]`
	FORMULA	`a(n) = +15a(n-1) -15a(n-2) +a(n-3). G.f.: -x(5+x)/ ((x-1) (x^2-14*x+1)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 15 2010]`
	CROSSREFS	`Sequence in context: A034688 A132855 A051481 * A136300 A196689 A196725` `Adjacent sequences: A011915 A011916 A011917 * A011919 A011920 A011921`
	KEYWORD	`nonn,easy`
	AUTHOR	`Mario Velucchi (mathchess(AT)velucchi.it)`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 15 2010`

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Last modified February 14 00:21 EST 2012. Contains 205567 sequences.