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A341888 Indices of record values of A307437(k)/k. 1
1, 4, 12, 19, 59, 167, 196, 197, 227, 317, 457, 521, 706, 1532, 1861, 1997, 2053, 2348, 3833, 5227, 19891, 47303, 54973, 58603, 101401, 102307, 138163, 170167, 707467, 860831 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Except for a(1) = 1 and a(13) = 706, the fractional part of A307437(k)/k appears to be monotonically strictly decreasing. - Chai Wah Wu, Feb 24 2021

LINKS

Table of n, a(n) for n=1..30.

EXAMPLE

Let b(k) = A307437(k). Numeric values of b(k)/k for the terms:

    k    b(k)/k

  ----  ---------

     1   3.000000

     4   4.250000

    12   6.083333

    19  10.052632

    59  12.016949

   167  14.005988

   196  16.005102

   197  18.005076

   227  24.004405

   317  26.003155

   457  30.002188

   521  32.001919

   706  35.007082

  1532  38.000653

  1861  40.000537

  1997  44.000501

  2053  46.000487

  2348  56.000426

  3833  60.000261

  5227  76.000191

PROG

(PARI) my(M = 1); for(k=1, 5000, if(A307437(k)/k > M, print1(k, ", "); M = A307437(k)/k)) \\ see A307437 for its program

CROSSREFS

Cf. A307437.

Sequence in context: A301068 A169583 A239727 * A009557 A240762 A319259

Adjacent sequences:  A341885 A341886 A341887 * A341889 A341890 A341891

KEYWORD

nonn,more

AUTHOR

Jianing Song, Feb 22 2021

EXTENSIONS

a(21)-a(28) from Chai Wah Wu, Feb 24 2021

a(29)-a(30) from Chai Wah Wu, Feb 26 2021

STATUS

approved

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Last modified January 24 07:05 EST 2022. Contains 350534 sequences. (Running on oeis4.)