%I A030519
%S A030519 2,13,101,619,3641,20028,106812,554352,2828660
%N A030519 Number of polyhexes of class PF2.
%C A030519 See reference for precise definition.
%D A030519 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 A030519 Cf. A026106, A026118, A026298, A030519, A030520, A030525, A030529, A030532, 
               A030534.
%Y A030519 Sequence in context: A074614 A064325 A123619 this_sequence A141116 A077246 
               A107000
%Y A030519 Adjacent sequences: A030516 A030517 A030518 this_sequence A030520 A030521 
               A030522
%K A030519 nonn
%O A030519 8,1
%A A030519 N. J. A. Sloane (njas(AT)research.att.com).