A120767 a(n) = 2^(n^2) + 3^n.

2, 5, 25, 539, 65617, 33554675, 68719477465, 562949953423499, 18446744073709558177, 2417851639229258349432035, 1267650600228229401496703264425, 2658455991569831745807614120560866299, 22300745198530623141535718272648361506511857, 748288838313422294120286634350736906063837463598035

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..50

Mathematica

Table[2^(n^2) + 3^n, {n, 0, 20}] (* Vincenzo Librandi, Feb 27 2013 *)

Prog

(Magma) [2^(n^2) + 3^n: n in [0..15]]; // Vincenzo Librandi, Feb 27 2013
(PARI) a(n)=2^(n^2)+3^n \\ Charles R Greathouse IV, Feb 27 2013

Crossrefs

Cf. A007689, A001047.

Sequence in context: A191951 A356674 A370555 * A051771 A008318 A365324

Adjacent sequences: A120764 A120765 A120766 * A120768 A120769 A120770

Keyword

nonn,easy

Author

Mohammad K. Azarian, Aug 18 2006

Status

approved