A013785 a(n) = 6^(4n+3).

216, 279936, 362797056, 470184984576, 609359740010496, 789730223053602816, 1023490369077469249536, 1326443518324400147398656, 1719070799748422591028658176, 2227915756473955677973140996096, 2887378820390246558653190730940416

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (1296).

Formula

a(n) = 1296*a(n-1), n>0; a(0)=216. G.f.: 216/(1-1296*x). a(n) = 36*A013784(n). - Philippe Deléham, Nov 30 2008

Mathematica

lst={}; Do[AppendTo[lst, 6^(4*n+3)], {n, 0, 5!}]; lst (* Vladimir Joseph Stephan Orlovsky, Jan 15 2009 *)

Prog

(Magma) [6^(4*n+3): n in [0..15]]; // Vincenzo Librandi, Jun 28 2011

Crossrefs

Sequence in context: A222337 A008697 A282000 * A100509 A378265 A013840

Adjacent sequences: A013782 A013783 A013784 * A013786 A013787 A013788

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved