%I A030525
%S A030525 0,1,2,5,10,21,41,85,167,273,608,1421,2823
%N A030525 Number of polyhexes of class PF2.
%C A030525 See reference for precise definition.
%D A030525 S. J. Cyvin et al., Enumeration and classification of benzenoid systems 
               32. Normal perifusenes with two internal vertices, J. Chem. Inform. 
               Comput. Sci., 32 (1992), 532-540.
%Y A030525 Cf. A026106, A026118, A026298, A030519, A030520, A030525, A030529, A030532, 
               A030534.
%Y A030525 Sequence in context: A124146 A032468 A056599 this_sequence A116385 A000975 
               A032283
%Y A030525 Adjacent sequences: A030522 A030523 A030524 this_sequence A030526 A030527 
               A030528
%K A030525 nonn
%O A030525 4,3
%A A030525 N. J. A. Sloane (njas(AT)research.att.com).