Search: id:A058378
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%I A058378
%S A058378 0,1,1,3,8,29,114,583,3310,21168,144622,1039495,7731540
%N A058378 Number of trivalent 2-connected planar graphs with 2n nodes.
%D A058378 A. T. Balaban, Enumeration of Cyclic Graphs, pp. 63-105 of A. T. Balaban, 
               ed., Chemical Applications of Graph Theory, Ac. Press, 1976; see 
               p. 92.
%D A058378 Computed by Brendan McKay (bdm(AT)cs.anu.edu.au) and Gunnar Brinkmann 
               (Gunnar.Brinkmann(AT)ugent.be) using their program "plantri", Dec 
               19, 2000
%H A058378 B. D. McKay, <a href="http://cs.anu.edu.au/~bdm/plantri">Plantri</a>
%H A058378 M. Meringer, <a href="http://www.mathe2.uni-bayreuth.de/markus/reggraphs.html">
               Tables of Regular Graphs</a>
%Y A058378 Cf. A005964, A000109.
%Y A058378 Sequence in context: A148875 A148876 A013309 this_sequence A063839 A130470 
               A162054
%Y A058378 Adjacent sequences: A058375 A058376 A058377 this_sequence A058379 A058380 
               A058381
%K A058378 nonn,nice,hard
%O A058378 1,4
%A A058378 N. J. A. Sloane (njas(AT)research.att.com), Dec 19 2000

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