id:A087236 - OEIS Search Results

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a(n) is the difference between the largest and smallest solutions to n=x/pi[x], where pi[x]=A000720[x].

+0
2

6, 6, 24, 30, 126, 35, 64, 774, 180, 0, 600, 221, 770, 2145, 32, 4573, 8172, 5852, 5720, 7035, 792, 7774, 5256, 2825, 104 (list; graph; listen)

	OFFSET	`2,1`
	FORMULA	`a[n]=Max{x; npi[x]=x}-Min{x; npi[x]=x}=A038625()-A087235(n)`
	EXAMPLE	`n=22: a(22)=10246936436-10246935644=792=22*36; a(n) is divisible by n, the quotients are in A087237.`
	CROSSREFS	`Cf. A038623-A038627, A057809, A087235-A087240.` `Sequence in context: A034695 A053168 A141388 this_sequence A077193 A056482 A123874` `Adjacent sequences: A087233 A087234 A087235 this_sequence A087237 A087238 A087239`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Sep 04 2003`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.