The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A016768 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A016768

(3*n)^4.
(history; published version)

#24 by Charles R Greathouse IV at Thu Sep 08 08:44:41 EDT 2022

PROG

(MAGMAMagma) [(3*n)^4: n in [0..40]]; // Vincenzo Librandi, Sep 07 2011

Discussion

Thu Sep 08

08:44

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

#23 by Charles R Greathouse IV at Sat Jun 13 00:48:39 EDT 2015

LINKS

<a href="/index/Rec#order_05">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1).

Discussion

Sat Jun 13

00:48

OEIS Server: https://oeis.org/edit/global/2439

#22 by Peter Luschny at Wed May 14 16:56:50 EDT 2014

STATUS

reviewed

approved

#21 by R. J. Mathar at Wed May 14 16:52:25 EDT 2014

STATUS

proposed

reviewed

#20 by R. J. Mathar at Wed May 14 16:52:19 EDT 2014

STATUS

editing

proposed

#19 by R. J. Mathar at Wed May 14 16:51:46 EDT 2014

LINKS

<a href="/index/Rec#order_05">Index to sequences with linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1).

FORMULA

a(n) = A000583(3n) = A008585(n)^4 = 81*A000583(n) = A008585(n))^4. - Wesley Ivan Hurt, May 10 2014

G.f.: -81*x*(1+x)*(x^2+10*x+1) / (x-1)^5. - R. J. Mathar, May 14 2014

EXTENSIONS

More terms from Wesley Ivan Hurt, May 13 2014

STATUS

proposed

editing

#18 by Wesley Ivan Hurt at Tue May 13 20:26:11 EDT 2014

STATUS

editing

proposed

#17 by Wesley Ivan Hurt at Tue May 13 20:24:57 EDT 2014

DATA

0, 81, 1296, 6561, 20736, 50625, 104976, 194481, 331776, 531441, 810000, 1185921, 1679616, 2313441, 3111696, 4100625, 5308416, 6765201, 8503056, 10556001, 12960000, 15752961, 18974736, 22667121, 26873856, 31640625, 37015056, 43046721, 49787136, 57289761

EXTENSIONS

More terms from Wesley Ivan Hurt, May 13 2014

STATUS

proposed

editing

#16 by Wesley Ivan Hurt at Tue May 13 09:17:25 EDT 2014

STATUS

editing

proposed

#15 by Wesley Ivan Hurt at Tue May 13 09:17:12 EDT 2014

COMMENTS

Fourth powers of the multiples of three. - Wesley Ivan Hurt, May 10 2014

STATUS

proposed

editing