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A132773 a(n) = n*(n + 31). 0
0, 32, 66, 102, 140, 180, 222, 266, 312, 360, 410, 462, 516, 572, 630, 690, 752, 816, 882, 950, 1020, 1092, 1166, 1242, 1320, 1400, 1482, 1566, 1652, 1740, 1830, 1922, 2016, 2112, 2210, 2310, 2412, 2516, 2622, 2730, 2840, 2952, 3066 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

F. P. Muga II, Extending the Golden Ratio and the Binet-de Moivre Formula, March 2014; Preprint on ResearchGate.

LINKS

Table of n, a(n) for n=0..42.

Index entries for linear recurrences with constant coefficients, signature (3,-3,1).

FORMULA

G.f.: 2*x*(-16+15*x)/(-1+x)^3. - R. J. Mathar, Nov 14 2007

a(n) = 2*A132758(n). - R. J. Mathar, Jul 22 2009

a(n) = 2*n + a(n-1) + 30, with n>0, a(0)=0. - Vincenzo Librandi, Aug 03 2010

MATHEMATICA

s=0; lst={}; Do[s+=n; AppendTo[lst, s], {n, 32, 6!, 2}]; lst (* Vladimir Joseph Stephan Orlovsky, Feb 26 2009 *)

PROG

(PARI) a(n)=n*(n+31) \\ Charles R Greathouse IV, Jun 17 2017

CROSSREFS

Cf. A002378, A120071, A132760, A132761, A132762, A132763, A132764, A132765, A132766, A132767, A132768, A132769, A132770, A132771, A132772, A098849, A098850, A005563, A028552, A028347, A028557, A028560, A028563, A028566, A028569, A098603, A098847, A132759, A098848.

Sequence in context: A110562 A275187 A045048 * A116349 A234882 A043155

Adjacent sequences:  A132770 A132771 A132772 * A132774 A132775 A132776

KEYWORD

nonn,easy

AUTHOR

Omar E. Pol, Aug 28 2007

STATUS

approved

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Last modified January 19 09:35 EST 2020. Contains 331048 sequences. (Running on oeis4.)