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

3, 17, 14612087592038378751152858509524512533536096028044190178822935218486730194880516808459166772134240378240755073828170296740373082348622309614668344831750401

Offset: 1

Author

Vladimir Joseph Stephan Orlovsky, Jun 10 2009

Keywords

• nonn
• bref

Comments

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

Examples

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

Links

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

Programs

Mathematica

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

Formula

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

Extensions

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