%I A006425 M3700
%S A006425 4,79,900,7885,59080,398846,2499096,14805705,83969600,459868530
%N A006425 Number of rooted toroidal maps.
%D A006425 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006425 Walsh, T. R. S.; Lehman, A. B.; Counting rooted maps by genus. III: Nonseparable 
               maps. J. Combinatorial Theory Ser. B 18 (1975), 222-259.
%Y A006425 Sequence in context: A006267 A054951 A048957 this_sequence A065930 A018807 
               A125710
%Y A006425 Adjacent sequences: A006422 A006423 A006424 this_sequence A006426 A006427 
               A006428
%K A006425 nonn
%O A006425 1,1
%A A006425 N. J. A. Sloane (njas(AT)research.att.com).