%I A065474
%S A065474 3,2,2,6,3,4,0,9,8,9,3,9,2,4,4,6,7,0,5,7,9,5,3,1,6,9,2,5,4,8,2,3,7,0,
%T A065474 6,6,5,7,0,9,5,0,5,7,9,6,6,5,8,3,2,7,0,9,9,6,1,8,1,1,2,5,2,4,5,3,2,5,0,
%U A065474 0,6,3,4,8,6,2,4,4,6,0,9,8,8,4,5,2,3,4,8,1,5,6,8,5,6,3,7,5
%N A065474 Decimal expansion of product(1 - 2/p^2), p prime >= 2.
%H A065474 G. Niklasch, <a href="http://www.gn-50uma.de/alula/essays/Moree/Moree.en.shtml">
               Some number theoretical constants: 1000-digit values</a>
%H A065474 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Squarefree.html">Squarefree</a>
%H A065474 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PrimeProducts.html">Prime Products</a>
%e A065474 0.322634098939244670579531692548...
%Y A065474 Cf. A065493, A074893.
%Y A065474 Sequence in context: A007567 A093055 A106335 this_sequence A111702 A091029 
               A089327
%Y A065474 Adjacent sequences: A065471 A065472 A065473 this_sequence A065475 A065476 
               A065477
%K A065474 cons,nonn
%O A065474 0,1
%A A065474 N. J. A. Sloane (njas(AT)research.att.com), Nov 19 2001
%E A065474 Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Sep 10 2002