The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A129203 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A129203

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

#64 by Alois P. Heinz at Thu Sep 12 16:19:44 EDT 2024

STATUS

reviewed

approved

#63 by Andrew Howroyd at Thu Sep 12 16:12:32 EDT 2024

STATUS

proposed

reviewed

#62 by Robert C. Lyons at Thu Sep 12 16:00:44 EDT 2024

STATUS

editing

proposed

#61 by Robert C. Lyons at Thu Sep 12 16:00:35 EDT 2024

PROG

(Magma) [Numerator(3/(n+1)^3)*(3/2 + (-1)^n/2): n in [1..100]] / or / &cat [[6, 3, 2, 3, 6, 1]^^20]; // Vincenzo Librandi, Jul 01 2018

(Magma) &cat [[6, 3, 2, 3, 6, 1]^^20]; // Vincenzo Librandi, Jul 01 2018

STATUS

approved

editing

#60 by Michel Marcus at Fri Aug 05 13:11:48 EDT 2022

STATUS

reviewed

approved

#59 by Jean-François Alcover at Fri Aug 05 12:48:18 EDT 2022

STATUS

proposed

reviewed

#58 by Jon E. Schoenfield at Fri Jul 29 11:44:48 EDT 2022

STATUS

editing

proposed

Discussion

Fri Jul 29

20:10

Kevin Ryde: Same as Jon Hearn ?

Tue Aug 02

00:59

Jon E. Schoenfield: Was that question for me?  (I don't know anyone by that name ...) ?:-|

#57 by Jon E. Schoenfield at Fri Jul 29 11:44:46 EDT 2022

PROG

(MAGMAMagma) [Numerator(3/(n+1)^3)*(3/2 + (-1)^n/2): n in [1..100]] / or / &cat [[6, 3, 2, 3, 6, 1]^^20]; // Vincenzo Librandi, Jul 01 2018

STATUS

proposed

editing

#56 by Michel Marcus at Fri Jul 29 11:35:53 EDT 2022

STATUS

editing

proposed

#55 by Michel Marcus at Fri Jul 29 11:35:46 EDT 2022

COMMENTS

(1/(2*Pi))*Integral_{t=0..2*Pi} exp(i*(n+1)*t)*((t-Pi)/i)^3 = (A129202(n)*Pi^2 - A129203a(n))/A129196(n), i=sqrt(-1).

STATUS

proposed

editing