id:A015574 - OEIS Search Results

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Linear 2nd order recurrence.

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0, 1, 8, 67, 560, 4681, 39128, 327067, 2733920, 22852561, 191022248, 1596735667, 13346952080, 111565823641, 932567445368, 7795237033867, 65159598607040, 544662499957921, 4552778795484488, 38056217863749667 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = 8 a(n-1) + 3 a(n-2).` `a(n)=(1/38)sqrt(19)[4+sqrt(19)]^n-(1/38)sqrt(19)[4-sqrt(19)]^n, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 25 2008`
	CROSSREFS	`Adjacent sequences: A015571 A015572 A015573 this_sequence A015575 A015576 A015577` `Sequence in context: A037594 A037685 A091645 this_sequence A000434 A050841 A068766`
	KEYWORD	`nonn,easy`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

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