Heath-Brown-Moroz Constant

The Heath-Brown-Moroz constant is defined by

			(1)
			(2)

(OEIS A118228), where the product is taken over the primes .

REFERENCES:

Finch, S. R. Mathematical Constants. Cambridge, England: Cambridge University Press, p. 106, 2003.

Heath-Brown, D. R. and Moroz, B. Z. "The Density of Rational Points on the Cubic Surface ." Math. Proc. Cambridge Philos. Soc. 125, 385-395, 1999.

Niklasch, G. "Some Number-Theoretical Constants." https://www.gn-50uma.de/alula/essays/Moree/Moree.en.shtml.

Sloane, N. J. A. Sequence A118228 in "The On-Line Encyclopedia of Integer Sequences."