%I A006795 M1936
%S A006795 1,2,9,43,212,1115,6156,34693,199076
%N A006795 A subclass of 2n-node trivalent planar graphs without triangles.
%D A006795 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006795 D. A. Holton and B. D. McKay, The smallest non-hamiltonian 3-connected 
               cubic planar graphs have 38 vertices, J. Combinat. Theory, B 45 (1988), 
               305-319.
%Y A006795 Sequence in context: A018960 A002310 A055728 this_sequence A055824 A020113 
               A163650
%Y A006795 Adjacent sequences: A006792 A006793 A006794 this_sequence A006796 A006797 
               A006798
%K A006795 nonn
%O A006795 7,2
%A A006795 N. J. A. Sloane (njas(AT)research.att.com).