A078201 Smallest prime of the form n^k + k^n, or 0 if no such prime exists.
2, 3, 17, 5, 59604644783353249, 7, 4318114567396436564035293097707729426477458833, 205688069665150755269371147819668813122841983204711281293004769, 593, 11
Offset: 1
Examples
a(3) = 3^2 + 2^3 = 17. a(4) = 4^1 + 1^4 = 5.
Links
- R. J. Cano (updated by Derek Orr), Additional Information
Programs
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PARI
a(n)=k=1;while(!ispseudoprime(n^k+k^n),k++);return(n^k+k^n) vector(10,n,a(n)) \\ Derek Orr, Aug 10 2014
Extensions
Extended and updated by Derek Orr, Aug 10 2014
Comments