A107609 - OEIS

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A107609

a(n) = round( n / pi(n)) = round( A000027(n) / A000720(n) ).

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

	OFFSET	`2,1`
	MATHEMATICA	`f[n_] := Round[ n / PrimePi[ n]]; Table[ f[n], {n, 2, 106}]`
	CROSSREFS	`Cf. A107610, A107614.` `Sequence in context: A177830 A111859 A156822 * A204562 A135660 A163858` `Adjacent sequences: A107606 A107607 A107608 * A107610 A107611 A107612`
	KEYWORD	`nonn`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com) and Robert G. Wilson v (rgwv(AT)rgwv.com), May 17 2005`

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.