The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A272125 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A272125

a(n) = n^3*(2*n^2+1)/3.
(history; published version)

#21 by Charles R Greathouse IV at Thu Sep 08 08:46:16 EDT 2022

PROG

(MAGMAMagma) [n^3*(2*n^2+1)/3: n in [0..40]];

Discussion

Thu Sep 08

08:46

OEIS Server: https://oeis.org/edit/global/2944

#20 by Bruno Berselli at Thu Jul 07 04:23:07 EDT 2016

STATUS

reviewed

approved

#19 by Michel Marcus at Thu Jul 07 04:22:41 EDT 2016

STATUS

proposed

reviewed

#18 by Vincenzo Librandi at Thu Jul 07 04:13:06 EDT 2016

STATUS

editing

proposed

#17 by Vincenzo Librandi at Thu Jul 07 04:12:56 EDT 2016

LINKS

Vincenzo Librandi, <a href="/A272125/b272125.txt">Table of n, a(n) for n = 0..1000</a>

STATUS

approved

editing

#16 by N. J. A. Sloane at Sun Apr 24 23:07:49 EDT 2016

STATUS

proposed

approved

#15 by Michel Marcus at Sat Apr 23 03:10:26 EDT 2016

STATUS

editing

proposed

#14 by Michel Marcus at Sat Apr 23 03:10:15 EDT 2016

LINKS

R. D. Carmichael and T. L. DeLand, <a href="http://www.jstor.org/stable/2967699?seq=1#fndtn-page_scan_tab_contents">Find the sum of the series 1^2 + 5^2 + 14^2 + 30^2 + ... + [n*(n+1)*(2*n+1)/6]^2</a>, American Mathematical Monthly, Vol. 15, No. 6/7, Jun-Jul, 1908, pp. 132-133.

STATUS

proposed

editing

Discussion

Sat Apr 23

03:10

Michel Marcus: ok simply like this ?

#13 by Bruno Berselli at Fri Apr 22 10:26:18 EDT 2016

STATUS

editing

proposed

#12 by Bruno Berselli at Fri Apr 22 10:25:38 EDT 2016

COMMENTS

Is After 1, is A195279 a subsequencethe second bisection?