%I A003225 M2827
%S A003225 1,3,9,89,1705,67774
%N A003225 Superpositions of cycles.
%D A003225 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A003225 F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 
               1973, p. 171.
%D A003225 E. M. Palmer and R. W. Robinson, Enumeration under two representations 
               of the wreath product, Acta Math., 131 (1973), 123-143.
%Y A003225 Cf. A003224, A003223.
%Y A003225 Sequence in context: A032078 A067210 A018654 this_sequence A007663 A018695 
               A156336
%Y A003225 Adjacent sequences: A003222 A003223 A003224 this_sequence A003226 A003227 
               A003228
%K A003225 nonn,easy,more
%O A003225 3,2
%A A003225 N. J. A. Sloane (njas(AT)research.att.com).