%I #7 Aug 08 2019 11:55:53
%S 5,9,7,7,9,8,6,8,1,2,1,7,8,3,4,9,1,2,2,6,6,9,0,5,3,3,1,9,3,3,9,2,2,7,
%T 7,4,6,9,5,8,5,3,1,8,4,5,2,3,1,2,0,3,3,6,2,9,7,8,3,1,7,5,5,2,5,3,5,5,
%U 0,8,0,2,0,0,3,4,9,0,9,7,8,9,7,7,7,2,1,7,6,9,7,8,7,4,0,4,8,1,3,3,2,9
%N Decimal expansion of Pi log(3)sqrt(3).
%C Madelung constant h2(2).
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MadelungConstants.html">Madelung Constants</a>
%e 5.977986812...
%t RealDigits[Pi Log[3]Sqrt[3],10,120][[1]] (* _Harvey P. Dale_, Aug 08 2019 *)
%K nonn,cons,easy
%O 1,1
%A _Eric W. Weisstein_, Jul 07 2003