Search: id:A006385
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%I A006385 M1279
%S A006385 1,2,4,14,52,248,1416,9172,66366,518868,4301350,37230364,333058463,
%T A006385 3057319072,28656583950,273298352168,2645186193457,25931472185976
%N A006385 Number of connected planar maps with n edges.
%D A006385 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006385 Walsh, T. R. S.; Generating nonisomorphic maps without storing them. 
               SIAM J. Algebraic Discrete Methods 4 (1983), no. 2, 161-178.
%D A006385 T. R. S. Walsh, personal communication.
%D A006385 Wormald, Nicholas C. Counting unrooted planar maps. Discrete Math. 36 
               (1981), no. 2, 205-225.
%D A006385 V. A. Liskovets, A reductive technique for enumerating nonisomorphic 
               planar maps, Discr. Math., v.156 (1996), 197-217.
%Y A006385 Cf. A090376.
%Y A006385 Sequence in context: A003500 A129876 A038055 this_sequence A131180 A047990 
               A000939
%Y A006385 Adjacent sequences: A006382 A006383 A006384 this_sequence A006386 A006387 
               A006388
%K A006385 nonn,nice
%O A006385 0,2
%A A006385 N. J. A. Sloane (njas(AT)research.att.com).

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