The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A099764 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A099764

a(n) = n^2 * (n+1)^2 * (n+2)^2 = 36*A001249(n-1).
(history; published version)

#41 by Charles R Greathouse IV at Thu Sep 08 08:45:15 EDT 2022

PROG

(MAGMAMagma) [n^2*(n+1)^2*(n+2)^2: n in [0..30]]; // Vincenzo Librandi, Oct 04 2011

Discussion

Thu Sep 08

08:45

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

#40 by Joerg Arndt at Thu Jul 02 03:52:03 EDT 2020

STATUS

reviewed

approved

#39 by Michel Marcus at Thu Jul 02 03:08:45 EDT 2020

STATUS

proposed

reviewed

#38 by Amiram Eldar at Thu Jul 02 02:47:27 EDT 2020

STATUS

editing

proposed

#37 by Amiram Eldar at Thu Jul 02 02:42:54 EDT 2020

FORMULA

Sum_{n>=1} (-1)^(n+1)/a(n) = Pi^2/24 - 7/16. - Amiram Eldar, Jul 02 2020

STATUS

approved

editing

#36 by Susanna Cuyler at Thu Sep 05 00:00:24 EDT 2019

STATUS

proposed

approved

#35 by Stefano Spezia at Wed Sep 04 01:36:48 EDT 2019

STATUS

editing

proposed

#34 by Stefano Spezia at Wed Sep 04 01:36:39 EDT 2019

FORMULA

E.g.f.: exp(x)*x*(36+252*x+330*x^2+138*x^3+21*x^4+x^5). - Stefano Spezia, Sep 04 2019

STATUS

proposed

editing

#33 by Michel Marcus at Wed Sep 04 01:13:34 EDT 2019

STATUS

editing

proposed

#32 by Michel Marcus at Wed Sep 04 01:13:30 EDT 2019

FORMULA

Sum_{n>=1..infinity} 1/a(n) = Pi^2/4-39/16 = 0.029901100272... [Jolley eq 241]

STATUS

proposed

editing