A120799 3^(n^2)-2^n.

0, 1, 77, 19675, 43046705, 847288609411, 150094635296999057, 239299329230617529589955, 3433683820292512484657849089025, 443426488243037769948249630619149892291

Offset

0,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..40

Formula

a(n) = A120798(n)-2*A000079(n). - R. J. Mathar, May 15 2007

Mathematica

Table[3^(n^2) - 2^n, {n, 0, 10}] (* Vincenzo Librandi, Feb 27 2013 *)

Prog

(Magma) [3^(n^2)-2^n: n in [0..10]]; // Vincenzo Librandi, Feb 27 2013
(PARI) a(n)=3^(n^2)-2^n \\ Charles R Greathouse IV, Feb 28 2013

Crossrefs

Cf. A007689, A001047, A120798, A000079.

Sequence in context: A046191 A115616 A226256 * A266054 A267956 A267910

Adjacent sequences: A120796 A120797 A120798 * A120800 A120801 A120802

Keyword

nonn,easy

Author

Mohammad K. Azarian, Aug 18 2006

Status

approved