%I A065485
%S A065485 2,8,2,6,4,1,9,9,9,7,0,6,7,5,9,1,5,7,5,5,4,6,3,9,1,7,4,7,2,3,6,9,5,
%T A065485 3,7,4,9,0,1,3,0,4,1,1,0,5,4,5,9,2,6,6,8,7,6,1,7,9,7,4,5,8,3,4,5,3,
%U A065485 0,7,5,7,6,2,4,4,5,9,7,6,2,4,0,5,5,3,3,4,5,8,6,6,4,9,8,8,1,8,4,4,5
%N A065485 Decimal expansion of Murata's constant product(1 + 1/(p-1)^2), p prime 
               >= 2).
%H A065485 G. Niklasch, <a href="http://www.gn-50uma.de/alula/essays/Moree/Moree.en.shtml">
               Some number theoretical constants: 1000-digit values</a>
%H A065485 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               MuratasConstant.html">Murata's Constant</a>
%H A065485 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PrimeProducts.html">Prime Products</a>
%e A065485 2.8264199970675915755463917472369537490...
%Y A065485 Cf. A078072.
%Y A065485 Sequence in context: A064863 A021358 A141449 this_sequence A064912 A010698 
               A010466
%Y A065485 Adjacent sequences: A065482 A065483 A065484 this_sequence A065486 A065487 
               A065488
%K A065485 cons,nonn
%O A065485 1,1
%A A065485 N. J. A. Sloane (njas(AT)research.att.com), Nov 19 2001; edited Sep 16 
               2007 at the suggestion of R. J. Mathar.