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Search: id:A147303
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| A147303 |
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Numbers k where records occured in expression Log[A147299(k)]/Log[k] k=2,3,4,... |
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+0
1
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| 2, 3, 6, 7, 14, 15, 22, 30, 42, 62, 66, 70, 78, 102, 114, 158, 166, 182, 186, 210, 222, 230, 255, 258, 282, 318, 330, 402, 430, 438, 462, 470, 474, 494, 498, 510, 570, 582, 598, 690, 710, 786, 798, 822, 870, 906, 930, 942, 1002, 1038, 1074, 1110, 1122, 1146, 1158
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Limes k->Infinty Log[A147299(k)]/Log[k] = 2.
Values m for which records occured see A147304.
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MATHEMATICA
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logmin = 10^10; logmax = 0; aa = {}; bb = {}; cc = {}; dd = {}; ee = {}; ff = {}; hh = {}; ii = {}; jj = {}; Do[min = 10^100; max = 0; Do[If[GCD[m, n, n - m] == 1, s = m n (n - m); k = FactorInteger[s]; g = 1; Do[g = g k[[p]][[1]], {p, 1, Length[k]}]; If[g > max, max = g; mmax = m]; If[g < min, min = g; mmin = m]], {m, 1, n - 1}]; AppendTo[aa, min]; If[(Log[n]/Log[min]) > logmax, logmax = (Log[n]/Log[min]); AppendTo[ee, {N[logmax], n, mmin, min, mmax, max}]; AppendTo[ff, n]]; If[(Log[n]/Log[min]) < logmin, logmin = (Log[n]/Log[min]); AppendTo[hh, {N[logmin], n, mmin, min, mmax, max}]; AppendTo[ii, n]]; AppendTo[bb, max]; AppendTo[dd, mmin], {n, 2, 1200}]; ii (*Artur Jasinski*)
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CROSSREFS
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A147298-A147307
Sequence in context: A167415 A018511 A092482 this_sequence A075427 A066880 A075426
Adjacent sequences: A147300 A147301 A147302 this_sequence A147304 A147305 A147306
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Nov 06 2008
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