A heuristic asymptotic formula concerning the distribution of prime numbers

@article{Bateman1962AHA,
  title={A heuristic asymptotic formula concerning the distribution of prime numbers},
  author={P. T. Bateman and Roger A. Horn},
  journal={Mathematics of Computation},
  year={1962},
  volume={16},
  pages={363-367}
}
Suppose fi, f2, -*, fk are polynomials in one variable with all coefficients integral and leading coefficients positive, their degrees being hi, h2, **. , hk respectively. Suppose each of these polynomials is irreducible over the field of rational numbers and no two of them differ by a constant factor. Let Q(fi , f2, ... , fk ; N) denote the number of positive integers n between 1 and IV inclusive such that fi(n) , f2(n), , fk(n) are all primes. (We ignore the finitely many values of n for… 
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