A161473 Primes of the form k^(k+1)+(k+1)^k.

3, 17, 14612087592038378751152858509524512533536096028044190178822935218486730194880516808459166772134240378240755073828170296740373082348622309614668344831750401

Offset

1,1

Comments

The associated k are in A073499. [R. J. Mathar, Jun 12 2009]

Links

Jeppe Stig Nielsen, Table of n, a(n) for n = 1..4

Formula

A051442 INTERSECT A000040. [R. J. Mathar, Jun 12 2009]

Example

2^1+1^2=3. 2^3+3^2=17.

Mathematica

lst={}; Do[p=n^(n+1)+(n+1)^n; If[PrimeQ[p], AppendTo[lst, p]], {n, 2*5!}]; lst

Crossrefs

Sequence in context: A051710 A215913 A162713 * A208493 A082056 A082057

Adjacent sequences: A161470 A161471 A161472 * A161474 A161475 A161476

Keyword

nonn,bref

Author

Vladimir Joseph Stephan Orlovsky, Jun 10 2009

Extensions

Definition simplified by R. J. Mathar, Jun 12 2009

Status

approved