The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A097881 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A097881

Decimal expansion of the sum from 1 to infinity of fraction sequence with numerator triangular numbers and denominator sum of prime cubes.
(history; published version)

#18 by Michael De Vlieger at Sun Oct 30 15:06:43 EDT 2022

STATUS

proposed

approved

#17 by Jon E. Schoenfield at Sun Oct 30 14:45:00 EDT 2022

STATUS

editing

proposed

#16 by Jon E. Schoenfield at Sun Oct 30 14:44:14 EDT 2022

COMMENTS

The partial sums appear to be converging to 0.29439427176335... - Jon E. Schoenfield, Nov 12 2016

STATUS

approved

editing

Discussion

Sun Oct 30

14:45

Jon E. Schoenfield: Conclusion based on observation, but unproven; deleted.

#15 by Michel Marcus at Sun Nov 13 07:00:16 EST 2016

STATUS

reviewed

approved

#14 by Joerg Arndt at Sun Nov 13 06:25:05 EST 2016

STATUS

proposed

reviewed

#13 by Michel Marcus at Sun Nov 13 01:08:11 EST 2016

STATUS

editing

proposed

#12 by Michel Marcus at Sun Nov 13 01:08:02 EST 2016

FORMULA

equals Equals Sum_{n>=1..infinity} A000217(n)/A098999(n). - R. J. Mathar, Dec 07 2014

STATUS

proposed

editing

#11 by Jon E. Schoenfield at Sat Nov 12 18:05:23 EST 2016

STATUS

editing

proposed

#10 by Jon E. Schoenfield at Sat Nov 12 18:03:21 EST 2016

COMMENTS

The partial sums appear to be converging to 0.29439427176335... - Jon E. Schoenfield, Nov 12 2016

FORMULA

equals sum_Sum_{n=1..infinity} A000217(n)/A098999(n). - R. J. Mathar, Dec 07 2014

EXAMPLE

T3=0.29439........

0.29439427...

STATUS

approved

editing

#9 by R. J. Mathar at Sun Dec 07 08:50:51 EST 2014

STATUS

editing

approved