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Search: id:A073164
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OFFSET
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1,3
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FORMULA
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Integer values of s(n)=A046992(n)/n.
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EXAMPLE
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Sum of first 17 values of Pi(n) equals: 0+1+2+2+3+3+4+4+4+4+5+5+6+6+6+6+7=68=4.17, Sum(17)/17=4=a(3).
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MATHEMATICA
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s = 0; Do[s = s + PrimePi[n]; If[ IntegerQ[s/n], Print[{n, s, s/n}]], {n, 1, 10^8}]
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CROSSREFS
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Cf. A046992, A000720, A073162, A073163 & A073224.
Sequence in context: A136276 A024054 A126577 this_sequence A134900 A028583 A070263
Adjacent sequences: A073161 A073162 A073163 this_sequence A073165 A073166 A073167
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jul 18 2002
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EXTENSIONS
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Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 20 2002
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