The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A321694

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A321694

Digits of the 2-adic integer log(-3).
(history; published version)

#10 by R. J. Mathar at Thu Jul 27 11:17:11 EDT 2023

STATUS

editing

approved

#9 by R. J. Mathar at Thu Jul 27 11:17:07 EDT 2023

COMMENTS

Appears to equal A309754 shifted right one place. - R. J. Mathar, Jul 27 2023

STATUS

approved

editing

#8 by R. J. Mathar at Wed Nov 21 07:33:10 EST 2018

STATUS

editing

approved

#7 by R. J. Mathar at Wed Nov 21 07:33:05 EST 2018

CROSSREFS

Cf. A321691, A321693 A152228 (log(5)).

STATUS

approved

editing

#6 by N. J. A. Sloane at Sun Nov 18 10:04:42 EST 2018

STATUS

proposed

approved

#5 by Jianing Song at Sat Nov 17 09:59:33 EST 2018

STATUS

editing

proposed

#4 by Jianing Song at Sat Nov 17 09:58:39 EST 2018

EXAMPLE

log(-3) = ...01110001100100010100100101110100011110100.

CROSSREFS

Cf. A321691, A321693 (log(5)).

#3 by Jianing Song at Sat Nov 17 09:56:09 EST 2018

OFFSET

0,1

LINKS

Wikipedia, <a href="https://en.wikipedia.org/wiki/P-adic_number">p-adic number</a>

FORMULA

a(n) = (A321691(n+1) - A321691(n))/2^n.

KEYWORD

nonn,base,changed

#2 by Jianing Song at Sat Nov 17 08:32:54 EST 2018

NAME

allocated for Jianing SongDigits of the 2-adic integer log(-3).

DATA

0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1

OFFSET

0

PROG

(PARI) a(n) = lift(log(-3 + O(2^(n+1))))\2^n;

KEYWORD

allocated

nonn

AUTHOR

Jianing Song, Nov 17 2018

STATUS

approved

editing

#1 by Jianing Song at Sat Nov 17 07:24:17 EST 2018

NAME

allocated for Jianing Song

KEYWORD

allocated

STATUS

approved