The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

Revision History for A182311 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

Numbers k such that k is equal to the sum of the proper divisors of k that are greater than k^(1/3).
(history; published version)

#24 by Sean A. Irvine at Sat Mar 21 18:54:28 EDT 2020

STATUS

proposed

approved

#23 by Jon E. Schoenfield at Fri Feb 28 21:04:39 EST 2020

STATUS

editing

proposed

Discussion

Sat Feb 29

02:04

Michel Marcus: Numbers k that are equal to the sum of their proper divisors that are greater than the cube root of k.

02:05

Michel Marcus: Numbers k that are equal to the sum of their proper divisors provided that they are greater than the cube root of k.

02:05

Michel Marcus: ??

13:18

Jon E. Schoenfield: Of those two, I like the 1st one better (and I think either one would be better than my proposal!).

Sat Mar 21

18:54

Sean A. Irvine: Current improved title is fine.

#22 by Jon E. Schoenfield at Fri Feb 28 21:04:32 EST 2020

NAME

Numbers n k such that k is equal to the sum of its the proper divisors of k that are greater than cube root of nk^(1/3).

COMMENTS

On a suggestion of _Manuel Valdivia_.

STATUS

approved

editing

Discussion

Fri Feb 28

21:04

Jon E. Schoenfield: Name edit okay?

#21 by Sean A. Irvine at Wed Aug 07 05:00:17 EDT 2019

STATUS

reviewed

approved

#20 by Michel Marcus at Wed Aug 07 04:32:00 EDT 2019

STATUS

proposed

reviewed

#19 by Amiram Eldar at Wed Aug 07 04:28:07 EDT 2019

STATUS

editing

proposed

#18 by Amiram Eldar at Wed Aug 07 04:16:10 EDT 2019

LINKS

Amiram Eldar, <a href="/A182311/b182311.txt">Table of n, a(n) for n = 1..10000</a>

STATUS

approved

editing

#17 by N. J. A. Sloane at Wed May 01 20:56:06 EDT 2013

COMMENTS

407715 is the only odd term < 10^11. - _Donovan Johnson, _, Apr 25 2012

Discussion

Wed May 01

20:56

OEIS Server: https://oeis.org/edit/global/1890

#16 by T. D. Noe at Thu Apr 26 11:24:56 EDT 2012

STATUS

proposed

approved

#15 by Donovan Johnson at Thu Apr 26 08:25:26 EDT 2012

STATUS

editing

proposed