%I A006934 M5119
%S A006934 1,1,21,671,180323,20898423,7426362705,1874409465055
%N A006934 A series for Pi.
%D A006934 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006934 Y. L. Luke, The Special Functions and their Approximation, Vol. 1, Academic 
               Press, NY, 1969, see p. 36.
%H A006934 <a href="Sindx_Ph.html#Pi314">Index entries for sequences related to 
               the number Pi</a>
%Y A006934 Sequence in context: A027408 A158216 A020246 this_sequence A100713 A056565 
               A009167
%Y A006934 Adjacent sequences: A006931 A006932 A006933 this_sequence A006935 A006936 
               A006937
%K A006934 nonn
%O A006934 0,3
%A A006934 Simon Plouffe, N. J. A. Sloane (njas(AT)research.att.com).