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A293355 Infinitary aliquot sequence starting at 6216. 4

%I #52 Nov 16 2021 12:02:04

%S 6216,12024,13176,24024,56616,105624,96096,178080,350688,454704,

%T 189528,296472,512808,826392,1535208,2387352,4124328,6980472,13561128,

%U 29494872,38242728,42031872,706200,1315560,2846040,5936520,12187320,24375000,57656040,116396760,233580840,467162040

%N Infinitary aliquot sequence starting at 6216.

%C Is this sequence infinite?

%C The sequence reaches a local maximum at a(398), then descends to a local minimum at a(923) with a value of 20989279721046. Thereafter it rises again somewhat slowly and chaotically. - _Hans Havermann_, Jul 17 2021

%H Ray Chandler and Hans Havermann, <a href="/A293355/b293355.txt">Table of n, a(n) for n = 0..6042</a>

%H Hans Havermann, <a href="/A127661/a127661.png">Graphs of infinitary aliquot sequences for 840, 1152, 2442, 2658, 2982, 5766, 6216, 6870, 7560, 8670, 9030, 9570.</a> (Click to see full plots)

%H Hans Havermann, <a href="http://gladhoboexpress.blogspot.com/2021/07/the-unknown-soldier.html">How the author first extended the b-file</a>

%H Hans Havermann, <a href="/A293355/a293355_3.png">Graph of a(n+1)/a(n)</a>

%F a(n+1) = A126168(a(n)). - _R. J. Mathar_, Oct 11 2017

%Y Cf. A037445, A049417, A126168, A127661.

%K nonn

%O 0,1

%A _Hans Havermann_, Oct 07 2017

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Last modified July 28 00:19 EDT 2024. Contains 374671 sequences. (Running on oeis4.)