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Search: id:A073262
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| A073262 |
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Partial sums of first m composite numbers arising in A053781. |
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+0 2
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| 4, 10, 18, 63, 132, 3692, 8025, 9200, 13205, 16275, 287382, 1674342, 13852716, 261109560, 509099424, 53226407187
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Required to extend A053781 without recomputation.
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FORMULA
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a(n)/A053281(n) is integer.
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MATHEMATICA
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c[x_] := FixedPoint[x+PrimePi[ # ]+1&, x] t=Table[0, {256}]; s=0; k=0; Do[s=s+c[n]; If[IntegerQ[s/n], k=k+1; t[[k]]=s; Print[s]], {n, 1, 12000000}] t
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CROSSREFS
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Cf. A053281, A073263.
Adjacent sequences: A073259 A073260 A073261 this_sequence A073263 A073264 A073265
Sequence in context: A009913 A063591 A009912 this_sequence A029714 A062198 A050858
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KEYWORD
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more,nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jul 22 2002
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