id:A164827 - OEIS Search Results

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Generalized Lucas numbers: a(n) = a(n-1) + 10 a(n-2); with a(1)=2 a(2)=1

+0
1

2, 1, 21, 31, 241, 551, 2961, 8471, 38081, 122791, 503601, 1731511, 6767521, 24082631, 91757841 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=[(1/2)-(1/2)sqrt(41)]^(n-1)+[(1/2)+(1/2)sqrt(41)]^(n-1), with n>=1 [From Paolo P. Lava (ppl(AT)spl.at), Dec 03 2009]`
	CROSSREFS	`A000032, A015446` `Sequence in context: A013163 A009768 A051492 this_sequence A127607 A059360 A108778` `Adjacent sequences: A164824 A164825 A164826 this_sequence A164828 A164829 A164830`
	KEYWORD	`nonn,new`
	AUTHOR	`M. Dols (markdols99(AT)yahoo.com), Aug 27 2009`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.