1,1

(PARI) f1(n, a) = for(x=0, n, y=x^x+a; if(ispseudoprime(y), print1(y", ")))

Sequence in context: A142208 A091159 A130177 this_sequence A003389 A027019 A108519

Adjacent sequences: A100838 A100839 A100840 this_sequence A100842 A100843 A100844

hard,more,nonn

Cino Hilliard (hillcino368(AT)gmail.com), Jan 07 2005