%I A000080 M1173 N0450
%S A000080 1,1,2,4,9,19,48,117,307,821,2277,6437,18634,54775
%N A000080 Number of nonisomorphic minimal triangle graphs.
%D A000080 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A000080 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A000080 R. Bowen, The generation of minimal triangle graphs, Math. Comp. 21 (1967), 
               248-250.
%e A000080 3 : ABC; 4 : ABC, ABD; 5 : ABC, ADE; and ABC, ABD, ABE.
%Y A000080 Cf. A048781.
%Y A000080 Sequence in context: A052328 A133228 A036717 this_sequence A153447 A076893 
               A096354
%Y A000080 Adjacent sequences: A000077 A000078 A000079 this_sequence A000081 A000082 
               A000083
%K A000080 nonn,nice
%O A000080 3,3
%A A000080 N. J. A. Sloane (njas(AT)research.att.com).
%E A000080 3 more terms from Arlin Anderson (starship1(AT)gmail.com)