A163320 Primes of the form 2^n+n^3.

3, 157, 34359781243

Offset

1,1

Comments

The next term is too large to include.

Links

Table of n, a(n) for n=1..3.

Formula

a(n)=2^A058015(n)+A058015(n)^3. [From R. J. Mathar, Jul 25 2009]

Mathematica

f[n_]:=2^n+n^3; lst={}; Do[If[PrimeQ[f[n]], AppendTo[lst, f[n]]], {n, 2*6!}]; lst

Crossrefs

Sequence in context: A139964 A048797 A281799 * A317820 A318427 A318095

Adjacent sequences: A163317 A163318 A163319 * A163321 A163322 A163323

Keyword

nonn,bref

Author

Vladimir Joseph Stephan Orlovsky, Jul 24 2009

Extensions

It would be better to give the corresponding values of n. - N. J. A. Sloane, Jul 25 2009

Status

approved