\\ looking for primes of the form a^i + b^j [i,j] = [3,4] \\ A100271 Primes of the form a^4 + b^3 with b>0. { n = 0; forprime (p=2, oo, for (bb=1, oo, if (p-bb^j<0, break, ispower(p-bb^j, i), for (a=1, oo, if (ispower(p-a^i, j, &b), print (n++ " " a); break; ); ); break; ); ); if (n==10 000, break); ); } quit