id:A107609 - OEIS Search Results

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

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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; listen)

	OFFSET	`2,1`
	MATHEMATICA	`f[n_] := Round[ n / PrimePi[ n]]; Table[ f[n], {n, 2, 106}]`
	CROSSREFS	`Cf. A107610, A107614.` `Sequence in context: A097876 A111859 A156822 this_sequence A135660 A163858 A133502` `Adjacent sequences: A107606 A107607 A107608 this_sequence 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 November 25 20:09 EST 2009. Contains 167514 sequences.

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