0,1

A. R. Kitson, The prime analog of the Kepler-Bouwkamp constant, arXiv:math/0608186.

product{odd primes p} cos(Pi/p) where Pi=3.14159...

0.3128329295..

Cf. A085365.

Adjacent sequences: A131668 A131669 A131670 this_sequence A131672 A131673 A131674

Sequence in context: A084602 A100888 A052914 this_sequence A060750 A086961 A085194

cons,more,nonn

R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 12 2007