The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A242024 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A242024

Decimal expansion of Sum_{n>=1} (-1)^(n+1)*6/(n*(n+1)*(n+2)).
(history; published version)

#27 by Joerg Arndt at Wed Jun 21 06:37:38 EDT 2023

STATUS

reviewed

approved

#26 by Michel Marcus at Wed Jun 21 00:47:25 EDT 2023

STATUS

proposed

reviewed

#25 by Amiram Eldar at Wed Jun 21 00:16:25 EDT 2023

STATUS

editing

proposed

#24 by Amiram Eldar at Tue Jun 20 23:59:01 EDT 2023

MATHEMATICA

RealDigits[12*Log[2] - 15/2, 10, 120][[1]] (* Amiram Eldar, Jun 20 2023 *)

STATUS

approved

editing

#23 by Michael De Vlieger at Sat Oct 08 00:02:40 EDT 2022

STATUS

proposed

approved

#22 by Jon E. Schoenfield at Fri Oct 07 23:47:32 EDT 2022

STATUS

editing

proposed

#21 by Jon E. Schoenfield at Fri Oct 07 23:47:30 EDT 2022

NAME

Decimal expansion of Sum(_{n>=1, } (-1)^(n + 1)*6/(n*(n + 1)*(n + 2)).

COMMENTS

The sum of terms of the inverse reciprocals of Binomialbinomial(n,3) for n >= 3, (or A000292(n), for n >= 1) with alternating signs.

STATUS

approved

editing

#20 by Harvey P. Dale at Thu Jun 02 10:57:49 EDT 2016

STATUS

editing

approved

#19 by Harvey P. Dale at Thu Jun 02 10:57:41 EDT 2016

MATHEMATICA

RealDigits[Chop[Sum[N[(-1)^(n + 1)*6/(n*(n + 1)*(n + 2)), 150], {n, 1, Infinity}]], 10, 120][[1]] (* _Harvey P. Dale_, Jun 02 2016 *)

EXTENSIONS

Prior Mathematica program replaced by Harvey P. Dale, Jun 02 2016

STATUS

approved

editing

#18 by N. J. A. Sloane at Mon Aug 18 16:33:15 EDT 2014

STATUS

editing

approved