A013763 a(n) = 18^(3*n + 2).

324, 1889568, 11019960576, 64268410079232, 374813367582081024, 2185911559738696531968, 12748236216396078174437376, 74347713614021927913318776832, 433595865796975883590475106484224

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..100

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (5832).

Formula

From Philippe Deléham, Dec 07 2008: (Start)

a(n) = 5832*a(n-1), a(0)=324.

G.f.: 324/(1-5832*x).

a(n) = 18*A013762(n). (End)

Mathematica

NestList[5832#&, 324, 20] (* Harvey P. Dale, Mar 01 2023 *)

Prog

(Magma) [18^(3*n+2): n in [0..15]]; // Vincenzo Librandi, May 24 2011
(Maxima) makelist(18^(3*n+2), n, 0, 20); /* Martin Ettl, Oct 21 2012 */
(PARI) a(n)=18^(3*n+2) \\ Charles R Greathouse IV, Jul 11 2016

Crossrefs

Sequence in context: A209016 A132644 A202635 * A013887 A172198 A343080

Adjacent sequences: A013760 A013761 A013762 * A013764 A013765 A013766

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved