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Revision History for A037861

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

A037861

(Number of 0's) - (number of 1's) in the base-2 representation of n.
(history; published version)

#91 by Michael De Vlieger at Wed Aug 07 09:19:18 EDT 2024

STATUS

reviewed

approved

#90 by Joerg Arndt at Wed Aug 07 06:00:51 EDT 2024

STATUS

proposed

reviewed

#89 by Michel Marcus at Wed Aug 07 05:09:08 EDT 2024

STATUS

editing

proposed

#88 by Michel Marcus at Wed Aug 07 05:08:59 EDT 2024

LINKS

R. Reinhard Zumkeller, <a href="/A037861/b037861.txt">Table of n, a(n) for n = 0..10000</a>

STATUS

proposed

editing

#87 by Jason Yuen at Wed Aug 07 04:34:47 EDT 2024

STATUS

editing

proposed

#86 by Jason Yuen at Wed Aug 07 04:34:36 EDT 2024

COMMENTS

a(A072600(n)) < 0; a(A072601(n)) <= 0; a(A031443(n)) = 0; a(A072602(n)) >= 0; a(A072603(n)) > 0; a(A031444(n)) = 1; a(A031448(n)) = -1; abs(a(A089648(n)) ) <= 1. - Reinhard Zumkeller, Feb 07 2015

KEYWORD

base,sign,look,easy

STATUS

approved

editing

#85 by R. J. Mathar at Wed Jul 07 06:20:05 EDT 2021

STATUS

editing

approved

#84 by R. J. Mathar at Wed Jul 07 06:19:51 EDT 2021

MAPLE

fA037861:= proc(n) local L;

L:= convert(n, base, 2);

numboccur(0, L) - numboccur(1, L)

map(f, A037861, [$0..100]); # Robert Israel, Mar 08 2016

STATUS

approved

editing

#83 by Joerg Arndt at Sun Jun 20 04:14:23 EDT 2021

STATUS

proposed

approved

#82 by Kevin Ryde at Sun Jun 20 04:09:48 EDT 2021

STATUS

editing

proposed