The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A132765

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

a(n) = n*(n + 23).
(history; published version)

#39 by Joerg Arndt at Mon Mar 14 02:45:05 EDT 2022

STATUS

reviewed

#38 by Michel Marcus at Mon Mar 14 01:08:28 EDT 2022

STATUS

proposed

#37 by G. C. Greubel at Mon Mar 14 00:28:10 EDT 2022

STATUS

editing

#36 by G. C. Greubel at Mon Mar 14 00:27:15 EDT 2022

LINKS

FORMULA

G.f.: 2*x*(11*x - 12)/(x - 1)^3. (End)

PROG

CROSSREFS

STATUS

approved

#35 by Michel Marcus at Sat Jan 16 04:21:03 EST 2021

STATUS

reviewed

#34 by Joerg Arndt at Sat Jan 16 04:07:02 EST 2021

STATUS

proposed

#33 by Joerg Arndt at Sat Jan 16 04:06:47 EST 2021

STATUS

editing

#32 by Joerg Arndt at Sat Jan 16 04:06:45 EST 2021

MAPLE

seq(sum(4*k-n, k=8..n), n=7..50); # Zerinvary Lajos, Feb 17 2008

STATUS

proposed

#31 by Amiram Eldar at Sat Jan 16 03:54:58 EST 2021

STATUS

editing

#30 by Amiram Eldar at Sat Jan 16 03:51:29 EST 2021

FORMULA

Sum_{n>=1} (-1)^(n+1)/a(n) = 2*log(2)/23 - 3825136961/123147264240. (End)