id:A087267 - OEIS Search Results

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a(n)=GCD[n,pi[n]]=GCD[n, A000720(n)].

+0
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1, 1, 1, 2, 1, 3, 1, 4, 1, 2, 1, 1, 1, 2, 3, 2, 1, 1, 1, 4, 1, 2, 1, 3, 1, 1, 9, 1, 1, 10, 1, 1, 11, 1, 1, 1, 1, 2, 3, 4, 1, 1, 1, 2, 1, 2, 1, 3, 1, 5, 3, 1, 1, 2, 1, 8, 1, 2, 1, 1, 1, 2, 9, 2, 1, 6, 1, 1, 1, 1, 1, 4, 1, 1, 3, 1, 7, 3, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 6, 1, 4, 3, 2, 1, 24, 1, 1, 1, 25, 1, 2, 1 (list; graph; listen)

	OFFSET	`1,4`
	MATHEMATICA	`Table[GCD[w, PrimePi[w]], {w, 1, 256}]`
	CROSSREFS	`Cf. A007053, A000720, A087266, A057809.` `Sequence in context: A114897 A123539 A102547 this_sequence A128267 A028920 A055396` `Adjacent sequences: A087264 A087265 A087266 this_sequence A087268 A087269 A087270`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Sep 16 2003`

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

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