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 A112809 Positions of records in A110566. 1
 1, 6, 20, 21, 42, 120, 342, 506, 567, 594, 600, 610, 2184, 4896, 6108, 6162, 6498, 12760, 14067, 14157, 14201, 93942, 123462, 123519, 734413, 2451397, 4591010, 11571129, 13346540, 13619348, 13619790, 46180567 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..32. MATHEMATICA c = 0; a = h = 1; t = {}; Do[a = LCM[a, n]; h = h + 1/n; b = a/Denominator[h]; If[b > c, c = b; AppendTo[t, n]], {n, 10^6}]; t PROG (PARI) lista(nn) = {rec = 0; for (n=1, nn, new = lcm(vector(n, k, k))/denominator(sum(k=1, n, 1/k)); if (new > rec, print1(n, ", "); rec = new); ); } \\ Michel Marcus, Mar 07 2018 CROSSREFS Cf. A110566, A001008, A002805, A003418, A025529, A098464, A112810. Sequence in context: A096897 A063601 A222604 * A289659 A237043 A243905 Adjacent sequences: A112806 A112807 A112808 * A112810 A112811 A112812 KEYWORD more,nonn AUTHOR Robert G. Wilson v, Sep 19 2005 EXTENSIONS a(27)-a(28) from Amiram Eldar, Dec 18 2018 a(29)-a(31) from Chai Wah Wu, Mar 08 2021 a(32) from Chai Wah Wu, Mar 14 2021 STATUS approved

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Last modified April 23 06:45 EDT 2024. Contains 371906 sequences. (Running on oeis4.)