The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A065883

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A065883

Remove factors of 4 from n (i.e., write n in base 4, drop final zeros, then rewrite in decimal).
(history; published version)

#65 by Michel Marcus at Wed Jan 04 02:10:01 EST 2023

STATUS

reviewed

approved

#64 by Joerg Arndt at Wed Jan 04 01:30:37 EST 2023

STATUS

proposed

reviewed

#63 by Amiram Eldar at Wed Jan 04 00:17:35 EST 2023

STATUS

editing

proposed

#62 by Amiram Eldar at Wed Jan 04 00:15:28 EST 2023

FORMULA

Dirichlet g.f.: zeta(s-1)*(4^s-4)/(4^s-1). - Amiram Eldar, Jan 04 2023

STATUS

approved

editing

#61 by Amiram Eldar at Sun Nov 20 02:10:53 EST 2022

STATUS

editing

approved

#60 by Amiram Eldar at Sun Nov 20 02:10:51 EST 2022

FORMULA

a(n) = n/4^A235127(n).

STATUS

approved

editing

#59 by Michel Marcus at Sun Nov 20 01:52:48 EST 2022

STATUS

reviewed

approved

#58 by Joerg Arndt at Sun Nov 20 01:30:46 EST 2022

STATUS

proposed

reviewed

#57 by Amiram Eldar at Sun Nov 20 01:29:36 EST 2022

STATUS

editing

proposed

#56 by Amiram Eldar at Sun Nov 20 01:19:05 EST 2022

FORMULA

Sum_{k=1..n} a(k) ~ (2/5) * n^2. - Amiram Eldar, Nov 20 2022

STATUS

approved

editing