%I
%S 3,11,73,45143873,1043046721,1182114430632237601,49814113380273715457
%N Primes of the form (n+1)^n + n^(n1), n >= 1.
%C Sum of reciprocals (omitting the 3) = 0.1046077441562072936197025883... Next term for n=219 is too large for the database.
%C Generated by n= 1, 2, 3, 8, 9, 15, 16, 219, ...
%o (PARI) xp1toxm1(n)= { forstep(x=2,n,1, y=(x+1)^x + x^(x1); if(isprime(y),print1(y" ")) ) }
%K nonn
%O 1,1
%A _Cino Hilliard_, Aug 30 2003
%E Leading prime 3 added by Michel Lagneau, Nov 17 2010
