A076260 - OEIS

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A076260

Distance to n of squarefree number nearest to n: A067535(n)-A070321(n).

0, 0, 0, 2, 0, 0, 0, 3, 3, 0, 0, 2, 0, 0, 0, 2, 0, 2, 0, 2, 0, 0, 0, 3, 3, 0, 3, 3, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 3, 3, 0, 0, 4, 4, 4, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 0, 0, 3, 3, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 3, 3, 0, 0, 0, 3, 3, 0, 0, 2, 0, 0, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 0, 4, 4, 4, 0, 0, 0, 2, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	COMMENTS	`a(n)=0 iff n is squarefree; otherwise a(n)>1.`
	EXAMPLE	`The nearest squarefree numbers to 25=5^2 are A070321(25)=23 and A067535(25)=26, therefore a(25)=26-23=3.`
	CROSSREFS	`Cf. A005117, A020753, A076259.` `Sequence in context: A132349 A123391 A171871 * A135416 A134309 A051516` `Adjacent sequences: A076257 A076258 A076259 * A076261 A076262 A076263`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 03 2002`

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Last modified February 17 04:26 EST 2012. Contains 205978 sequences.