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Search: id:A100386
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| 586951, 1473257, 4982941, 13565441, 24954141, 25384714, 26576686, 32026196, 35797623, 35953989, 37972276, 39048260, 51755761, 58769257, 60682681, 71342703, 77863117, 80826231, 84766857, 89768134, 98363506, 110482826
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A006530(n) is the largest prime factor of n.
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EXAMPLE
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586951 is here because the largest prime factors of 586951..586960 are 586951,73369,21739,9467,1319,1193,1181,1091,677,29.
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MAPLE
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<<NumberTheory`NumberTheoryFunctions` {ta={{0}}, tm=TimeUsed[]}; mxp[x_] :=Max[PrimeFactorList[x]] Do[g=n; s1=mxp[n]; s2=mxp[n+1]; s3=mxp[n+2]; s4=mxp[n+3]; s5=mxp[n+4]; s6=mxp[n+5]; s7=mxp[n+6]; s8=mxp[n+7]; s9=mxp[n+8]; s10=mxp[n+9]; If[ !Greater[s2, s1]&&!Greater[s3, s2]&&!Greater[s4, s3]&& !Greater[s5, s4]&&!Greater[s6, s5]&&!Greater[s7, s6]&& !Greater[s8, s7]&&!Greater[s9, s8]&&!Greater[s10, s9], Print[{n, {s1, s2, s3, s4, s5, s6, s7, s8, s9, s10}}]; ta=Append[ta, n]], {n, 586950, 21977000}]; ta
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CROSSREFS
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Cf. A006530, A070087, A071870, A100385.
Adjacent sequences: A100383 A100384 A100385 this_sequence A100387 A100388 A100389
Sequence in context: A119402 A050518 A104962 this_sequence A090871 A151435 A022257
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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), Dec 09 2004
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EXTENSIONS
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Edited by Don Reble (djr(AT)nk.ca), Jun 13 2007
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