A133496 a(n) = (29*n)^2.

0, 841, 3364, 7569, 13456, 21025, 30276, 41209, 53824, 68121, 84100, 101761, 121104, 142129, 164836, 189225, 215296, 243049, 272484, 303601, 336400, 370881, 407044, 444889, 484416, 525625, 568516, 613089, 659344, 707281, 756900, 808201

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..750

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

Formula

G.f.: -841*x*(1+x) / (x-1)^3 . - R. J. Mathar, Mar 13 2015

Example

a(1) = 29^2 = 841, a(2) = 58^2 = 3364, a(3) = 87^2 = 7569.

Prog

(Magma) [(29*n)^2: n in [0..50]]; // Vincenzo Librandi, Apr 26 2011
(PARI) a(n)=(29*n)^2 \\ Charles R Greathouse IV, Jun 17 2017

Crossrefs

Cf. A016850.

Sequence in context: A159690 A210470 A108324 * A361675 A253599 A121499

Adjacent sequences: A133493 A133494 A133495 * A133497 A133498 A133499

Keyword

nonn,easy

Author

Richard Choulet, Dec 23 2007

Extensions

More terms from Philippe Deléham, Dec 21 2008

a(12) corrected by Vincenzo Librandi, Apr 26 2011

Status

approved