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A085540 a(n) = n*(n+1)^3. 3
0, 8, 54, 192, 500, 1080, 2058, 3584, 5832, 9000, 13310, 19008, 26364, 35672, 47250, 61440, 78608, 99144, 123462, 152000, 185220, 223608, 267674, 317952, 375000, 439400, 511758, 592704, 682892, 783000, 893730, 1015808, 1149984, 1297032, 1457750, 1632960 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (5,-10,10,-5,1).

FORMULA

a(n) = 2*A092364(n+1). - Zerinvary Lajos, May 09 2007

G.f. -2*x*(4+7*x+x^2) / (x-1)^5. - R. J. Mathar, Mar 10 2011

a(n) = A085537(n-1). - Eric W. Weisstein, Sep 08 2017

MATHEMATICA

Table[n (n + 1)^3, {n, 0, 40}] (* Vincenzo Librandi, Aug 15 2016 *)

PROG

(MAGMA) [n*(n+1)^3: n in [0..40]]; // Vincenzo Librandi, Aug 15 2016

CROSSREFS

Cf. A085537 (same sequence with a 0 prepended).

Sequence in context: A189393 A254951 A085537 * A259546 A122657 A152692

Adjacent sequences:  A085537 A085538 A085539 * A085541 A085542 A085543

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 05 2003

STATUS

approved

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Last modified November 12 12:43 EST 2018. Contains 317109 sequences. (Running on oeis4.)