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Search: id:A073162
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| A073162 |
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n is such that partial sum of Pi(k) from 1 to n is divisible by n. |
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+0
3
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OFFSET
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1,2
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COMMENT
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3rd term is 17 because 0+1+2+2+3+3+4+4+4+4+5+5+6+6+6+6+7=68=4.17 In order to continue, see A073224.
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FORMULA
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Solutions to Mod[A046992(x), x]=0
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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, A073163, A073164 & A073224.
Adjacent sequences: A073159 A073160 A073161 this_sequence A073163 A073164 A073165
Sequence in context: A106895 A106896 A097938 this_sequence A107147 A049078 A135471
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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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