%I A006430 M4036
%S A006430 0,5,360,7350,73700,474588,2292790,9046807,30676440,92393015
%N A006430 Tree-rooted planar maps.
%D A006430 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006430 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 A006430 Sequence in context: A158105 A006108 A061456 this_sequence A007667 A121668 
               A160193
%Y A006430 Adjacent sequences: A006427 A006428 A006429 this_sequence A006431 A006432 
               A006433
%K A006430 nonn
%O A006430 1,2
%A A006430 N. J. A. Sloane (njas(AT)research.att.com).