id:A133673 - OEIS Search Results

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a(n) = n*L(n) + (n-1)*L(n-1) where L(n) is the Lucas number.

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7, 18, 40, 83, 163, 311, 579, 1060, 1914, 3419, 6053, 10637, 18575, 32262, 55772, 96019, 164711, 281635, 480171, 816536 (list; graph; listen)

	OFFSET	`2,1`
	COMMENT	`For n>2, two evens followed by four odds.`
	EXAMPLE	`If n=2 then a(n) = 7` `If n=21 then a(n) = 816536`
	CROSSREFS	`Cf. A000032, A136376.` `Sequence in context: A049532 A033537 A000566 this_sequence A023166 A002764 A124053` `Adjacent sequences: A133670 A133671 A133672 this_sequence A133674 A133675 A133676`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 29 2007`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.