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 A136133 Integer log of harmonic numbers. 1
 0, 1, 6, 3, 125, 5, 9, 743, 7105, 59, 925, 500, 943, 2118, 41214, 8415, 1138949, 39515, 7440381, 11166954, 18857978, 254, 584522, 467664, 312408461, 34395742156, 218280, 375035124, 4990290103, 28025, 2667653736605, 913550, 199539368422 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS The integer log of a fraction p/q is A001414(p) - A001414(q). Similar to A136121 or A136122: apply integer log (sopfr, or A001414) to the fractions in the harmonic numbers sequence (A001008/A002805). LINKS Table of n, a(n) for n=0..32. MATHEMATICA sopfr = Function[x, Plus @@ Map[Times @@ # &, FactorInteger[x]]]; sopfr /@ HarmonicNumber[Range[40]] CROSSREFS Cf. A136121, A136122, A001008, A002805. Sequence in context: A100979 A279107 A266661 * A200020 A011487 A242834 Adjacent sequences: A136130 A136131 A136132 * A136134 A136135 A136136 KEYWORD easy,nonn AUTHOR Carlos Alves, Dec 16 2007 STATUS approved

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Last modified July 23 07:34 EDT 2024. Contains 374546 sequences. (Running on oeis4.)