The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A067882

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

A067882

Factorial expansion of log(2) = Sum_{n>=1} a(n)/n!.
(history; published version)

#21 by Michael De Vlieger at Sun May 22 09:49:06 EDT 2022

STATUS

proposed

approved

#20 by Jon E. Schoenfield at Sun May 22 09:33:32 EDT 2022

STATUS

editing

proposed

#19 by Jon E. Schoenfield at Sun May 22 09:33:30 EDT 2022

LINKS

<a href="https://oeis.org/wikiindex/Index_to_OEIS:_Section_Fa#facbase">Index entries for factorial base representation of noninteger constants</a>

PROG

(MAGMAMagma) SetDefaultRealField(RealField(250)); [Floor(Log(2))] cat [Floor(Factorial(n)*Log(2)) - n*Floor(Factorial((n-1))*Log(2)) : n in [2..80]]; // G. C. Greubel, Nov 26 2018

STATUS

approved

editing

#18 by Bruno Berselli at Thu Dec 06 04:39:30 EST 2018

STATUS

reviewed

approved

#17 by Michel Marcus at Thu Dec 06 00:49:56 EST 2018

STATUS

proposed

reviewed

#16 by G. C. Greubel at Thu Dec 06 00:43:02 EST 2018

STATUS

editing

proposed

#15 by G. C. Greubel at Thu Dec 06 00:41:24 EST 2018

CROSSREFS

Cf. A002162 (decimal expansion), A016730 (continued fraction).

STATUS

proposed

editing

#14 by G. C. Greubel at Thu Dec 06 00:31:53 EST 2018

STATUS

editing

proposed

#13 by G. C. Greubel at Thu Dec 06 00:31:43 EST 2018

LINKS

<a href="https://oeis.org/wiki/Index_to_OEIS:_Section_Fa#facbase">Index entries for factorial base representation of noninteger constants</a>

EXAMPLE

log(2) = 0 + 1/2! + 1/3! + 0/4! + 3/5! + 1/6! + 0/7! + 3/8! + 6/9! + ...

CROSSREFS

Cf. A322334 (log(3)), A322333 (log(5)), A068460 (log(7)), A068461 (log(11)).

STATUS

approved

editing

#12 by Bruno Berselli at Tue Nov 27 03:09:36 EST 2018

STATUS

reviewed

approved