id:A087579 - OEIS Search Results

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a(n)=(1/6)*sum(k=0,n,binomial(n,k)*Fibonacci(k)*6^k).

+0
1

1, 8, 93, 976, 10505, 112344, 1203397, 12885152, 137979729, 1477507240, 15821470061, 169419470448, 1814178395353, 19426591805816, 208023907911765, 2227562425662784, 23853192734743457, 255424852222168392 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=8a(n-1)+29a(n-2)` `a(n)=(1/2)[4-3sqrt(5)]^n-(2/15)[4-3sqrt(5)]^nsqrt(5)+(2/15)[4+3sqrt(5)]^nsqrt(5)+(1 /2)[4+3sqrt(5)]^n, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 25 2008`
	CROSSREFS	`Cf. A014445, A057088, A015553.` `Sequence in context: A081624 A137159 A099291 this_sequence A122419 A121161 A098269` `Adjacent sequences: A087576 A087577 A087578 this_sequence A087580 A087581 A087582`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Oct 25 2003`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research