id:A062113 - OEIS Search Results

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a(0)=1; a(1)=2; a(n)=a(n-1)+ a(n-2)*(3-(-1)^n)/2

+0
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1, 2, 3, 7, 10, 24, 34, 82, 116, 280, 396, 956, 1352, 3264, 4616, 11144, 15760, 38048, 53808, 129904, 183712, 443520, 627232, 1514272, 2141504, 5170048, 7311552, 17651648, 24963200, 60266496, 85229696, 205762688, 290992384, 702517760 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`A bistable recurrence.`
	CROSSREFS	`Cf. A007068, A062112.` `Sequence in context: A095010 A047082 A079380 this_sequence A130968 A007748 A126617` `Adjacent sequences: A062110 A062111 A062112 this_sequence A062114 A062115 A062116`
	KEYWORD	`easy,nonn`
	AUTHOR	`Olivier Gerard (ogerard(AT)ext.jussieu.fr), Jun 05 2001`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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