%I A000948
%S A000948 0,3,20,99,450,1896,7771,30895,121144
%N A000948 Number of free nonplanar polyenoids with n nodes.
%D A000948 S. J. Cyvin, J. Brunvoll, E. Brendsdal, B. N. Cyvin and E. K. Lloyd, 
               Enumeration of polyene hydrocarbons: a complete mathematical solution, 
               J. Chem. Inf. Comput. Sci., 35 (1995) 743-751.
%Y A000948 Sequence in context: A129549 A092786 A015529 this_sequence A165960 A074831 
               A000917
%Y A000948 Adjacent sequences: A000945 A000946 A000947 this_sequence A000949 A000950 
               A000951
%K A000948 nonn
%O A000948 7,2
%A A000948 E. K. Lloyd (E.K.Lloyd(AT)soton.ac.uk)