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A307867 Numbers m such that K(m)/m > K(j)/j for all j < m, where K(m) is the Kalmár function (A074206). 1
1, 72, 96, 144, 240, 288, 480, 576, 720, 1152, 1440, 2880, 4320, 5760, 8640, 11520, 17280, 34560, 51840, 69120, 103680, 138240, 207360, 241920, 311040, 345600, 362880, 414720, 483840, 622080, 725760, 829440, 967680, 1244160, 1451520, 1935360, 2073600, 2419200 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Subsequence of A307866.

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..393

MATHEMATICA

a[0] = 0; a[1] = 1; a[n_] := a[n] = Total[a /@ Most[Divisors[n]]]; am = -1; s={}; Do[a1 = a[n]/n; If[a1 > am, AppendTo[s, n]; am = a1], {n, 1, 10000}]; s

CROSSREFS

Cf. A004394, A163272, A307866.

Sequence in context: A245213 A270308 A271329 * A099943 A118218 A242186

Adjacent sequences:  A307864 A307865 A307866 * A307868 A307869 A307870

KEYWORD

nonn

AUTHOR

Amiram Eldar, May 02 2019

STATUS

approved

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Last modified November 13 23:01 EST 2019. Contains 329106 sequences. (Running on oeis4.)