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%I #2 Mar 30 2012 17:39:44
%S 1,0,2,5,5,1,9,7,4,5,6,9,3,6,8,7,1,4,0,2,3,7,6,3,1,3,0,3,0,5,6,8,6,2,
%T 2,9,2,9,1,3,6,2,6,4,9,9,2,3,7,0,9,6,2,3,0,2,2,7,9,5,3,9,7,4,1,5,5,2,
%U 4,9,2,7,2,4,5,0,5,4,1,5,5,3,4,7,3,6,4,9,9,9,5,2,8
%N Decimal expansion of sum_{n=1..inf} 3^n*(n!)^2/(2n)!.
%D Alexander Apelblat, Tables of Integrals and Series, Harri Deutsch, (1996), 4.1.34
%F 3+10*A019694*A020760.
%e 10.255197456936871...
%p 4/3*Pi*3^(1/2)+3 ;
%K cons,easy,nonn
%O 2,3
%A _R. J. Mathar_, Feb 08 2009
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