The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A107326 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A107326

Numbers of the form (2^i)*(13^j).
(history; published version)

#30 by Vaclav Kotesovec at Wed Sep 23 03:34:10 EDT 2020

STATUS

editing

approved

#29 by Vaclav Kotesovec at Wed Sep 23 03:34:06 EDT 2020

FORMULA

a(n) ~ exp(sqrt(2*log(2)*log(13)*n)) / sqrt(26). - Vaclav Kotesovec, Sep 23 2020

STATUS

approved

editing

#28 by OEIS Server at Wed Sep 23 02:44:32 EDT 2020

LINKS

Amiram Eldar, <a href="/A107326/b107326_1.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..100 from Vincenzo Librandi)

#27 by Joerg Arndt at Wed Sep 23 02:44:32 EDT 2020

STATUS

reviewed

approved

Discussion

Wed Sep 23

02:44

OEIS Server: Installed new b-file as b107326.txt.  Old b-file is now b107326_1.txt.

#26 by Vaclav Kotesovec at Wed Sep 23 02:40:29 EDT 2020

STATUS

proposed

reviewed

#25 by Amiram Eldar at Wed Sep 23 02:09:37 EDT 2020

STATUS

editing

proposed

#24 by Amiram Eldar at Wed Sep 23 01:53:30 EDT 2020

KEYWORD

nonn,easy,changed

#23 by Amiram Eldar at Wed Sep 23 01:49:58 EDT 2020

LINKS

Amiram Eldar, <a href="/A107326/b107326_1.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..100 from Vincenzo Librandi)

#22 by Amiram Eldar at Wed Sep 23 01:49:34 EDT 2020

LINKS

Vincenzo Librandi, Amiram Eldar, <a href="/A107326/b107326_1.txt">Table of n, a(n) for n = 1..10010000</a>

FORMULA

Sum_{n>=1} 1/a(n) = (2*13)/((2-1)*(13-1)) = 13/6. - Amiram Eldar, Sep 23 2020

STATUS

approved

editing

#21 by Joerg Arndt at Sat Jun 10 03:48:40 EDT 2017

STATUS

proposed

approved