id:A166621 - OEIS Search Results

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a(n)=10*n-a(n-1), (with a(1)=5)

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5, 15, 15, 25, 25, 35, 35, 45, 45, 55, 55, 65, 65, 75, 75, 85, 85, 95, 95, 105, 105, 115, 115, 125, 125, 135, 135, 145, 145, 155, 155, 165, 165, 175, 175, 185, 185, 195, 195, 205, 205, 215, 215, 225, 225, 235, 235, 245, 245, 255, 255, 265, 265, 275, 275, 285 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=(5/2)+(5/2)(-1)^n+5n, with a(1)=5 [From Paolo P. Lava (ppl(AT)spl.at), Nov 10 2009]`
	EXAMPLE	`For n=2, a(2)=102-5=15; n=3, a(3)=103-15=15; n=4, a(4)=10*4-15=25`
	CROSSREFS	`Sequence in context: A114332 A077348 A113259 this_sequence A160275 A015666 A045856` `Adjacent sequences: A166618 A166619 A166620 this_sequence A166622 A166623 A166624`
	KEYWORD	`nonn,new`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 18 2009`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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