id:A015575 - OEIS Search Results

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Linear 2nd order recurrence.

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0, 1, 8, 69, 592, 5081, 43608, 374269, 3212192, 27568881, 236612008, 2030740469, 17428983792, 149585572681, 1283829500408, 11018563866669, 94567658435392, 811634086816481, 6965910986708808, 59785458327752869 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = 8 a(n-1) + 5 a(n-2).` `a(n)=(1/42)[4+sqrt(21)]^nsqrt(21)-(1/42)sqrt(21)[4-sqrt(21)]^n, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 25 2008`
	CROSSREFS	`Sequence in context: A030992 A091590 A087487 this_sequence A124152 A056631 A123511` `Adjacent sequences: A015572 A015573 A015574 this_sequence A015576 A015577 A015578`
	KEYWORD	`nonn,easy`
	AUTHOR	`Olivier Gerard (ogerard(AT)ext.jussieu.fr)`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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