%I #17 Sep 24 2021 01:26:57

%S 1,6,3,2,5,0,5,4,0,2,9,0,2,5,1,3,0,7,9,0,1,0,3,6,6,2,5,8,9,3,5,5,3,7,

%T 6,0,4,9,7,2,0,1,1,3,0,0,4,4,3,2,6,2,9,2,6,5,3,1,4,2,0,3,2,4,4,2,6,7,

%U 5,7,4,6,2,7,2,5,4,0,6,0,9,2,4,1,3,2,7,0,4,2,3,9,0,3,3,8,4,0

%N Decimal expansion of lim_{n->infinity} (Product_{k=1..n} p(k)^2 / Product_{k=1..n} (p(k)^2 - 1)) where p(k) = A167135(k) are the primes with p mod 12 != 1.

%F A301430 = sqrt(A333239)*A333304.

%e 1.63250540290251307901036625893553760497201130044326292653142032442675746272540...

%Y Cf. A167135, A301430, A333304, A333240.

%K nonn,cons,hard

%O 1,2

%A _Peter Luschny_, May 13 2020