id:A096423 - OEIS Search Results

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a(1)=a(2)=1, a(n) = (a(n-1)+1)*(a(n-2)+1) for n > 2.

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1, 1, 4, 10, 55, 616, 34552, 21319201, 736642386706, 15704627843968647814, 11568694537326272321321120595205, 181682042349262169758803442669575561298555791374890 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`The terms have an interesting factorization pattern, often sharing factors.`
	CROSSREFS	`Sequence in context: A109387 A018844 A007027 this_sequence A013589 A002290 A104363` `Adjacent sequences: A096420 A096421 A096422 this_sequence A096424 A096425 A096426`
	KEYWORD	`nonn`
	AUTHOR	`Gerald McGarvey (Gerald.McGarvey(AT)comcast.net), Aug 08 2004`

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

AT&T Labs Research