%I A008720
%S A008720 1,0,2,0,3,1,4,2,5,3,7,4,9,5,11,7,13,9,15,11,18,13,21,
%T A008720 15,24,18,27,21,30,24,34,27,38,30,42,34,46,38,50,42,55,
%U A008720 46,60,50,65,55,70,60,75,65,81,70,87,75,93,81,99,87,105
%N A008720 Molien series for 3-dimensional group [2,5] = *225.
%H A008720 INRIA Algorithms Project, <a href="http://algo.inria.fr/bin/encyclopedia?Search=ECSnb&argsearch=223">
               Encyclopedia of Combinatorial Structures 223</a>
%H A008720 <a href="Sindx_Mo.html#Molien">Index entries for Molien series</a>
%p A008720 1/(1-x^2)^2/(1-x^5)
%Y A008720 Sequence in context: A025637 A097065 A084964 this_sequence A008734 A053445 
               A162517
%Y A008720 Adjacent sequences: A008717 A008718 A008719 this_sequence A008721 A008722 
               A008723
%K A008720 nonn
%O A008720 0,3
%A A008720 N. J. A. Sloane (njas(AT)research.att.com).