id:A094466 - OEIS Search Results

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a[n] is the smallest integer with property that phi[n+a[n]]=sigma[n].

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1, 3, 5, 3, 19, 3, 7, 3, 11, 23, 5, 19, 6, 23, 7, 47, 6, 14, 6, 7, 15, 11, 43, 46, 10, 20, 6, 11, 33, 23, 45, 22, 6, 15, 14, 38, 51, 15, 14, 21, 10, 41, 12, 19, 27, 23, 69, 22, 24, 22, 15, 14, 15, 14, 21, 26, 23, 55, 15, 14, 30, 20, 23, 87, 15, 14, 31, 26, 27, 139, 15, 14, 35, 20, 33 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Least solution to Min{x; phi[x+n]=sigma[x]}.`
	EXAMPLE	`n=6:a[6]=19 because sigma[19]=20=phi[19+6]=phi[25]=20.` `n=16:a[16]=23 because sigma[23]=24=phi[23+16]=phi[39]=24`
	CROSSREFS	`Cf. A007015, A007365.` `Sequence in context: A002587 A066845 A014782 this_sequence A134771 A080349 A065974` `Adjacent sequences: A094463 A094464 A094465 this_sequence A094467 A094468 A094469`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), May 11 2004`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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