%I A107908
%S A107908 1,16,110,490,1666,4704,11592,25740,52635,100672,182182,314678,522340,
%T A107908 837760,1303968,1976760,2927349,4245360,6042190,8454754,11649638,
%U A107908 15827680,21229000,28138500,36891855,47882016,61566246,78473710
%N A107908 (1/720)(n+1)(n+2)^2*(n+3)^2*(n+4)(3n+5).
%C A107908 Kekule numbers for certain benzenoids.
%D A107908 S. J. Cyvin and I. Gutman, Kekule structures in benzenoid hydrocarbons, 
               Lecture Notes in Chemistry, No. 46, Springer, New York, 1988 (see 
               p. 167).
%p A107908 a:=n->(1/720)*(n+1)*(n+2)^2*(n+3)^2*(n+4)*(3*n+5): seq(a(n),n=0..33);
%Y A107908 Sequence in context: A155871 A120668 A053526 this_sequence A144449 A000143 
               A035016
%Y A107908 Adjacent sequences: A107905 A107906 A107907 this_sequence A107909 A107910 
               A107911
%K A107908 nonn
%O A107908 0,2
%A A107908 Emeric Deutsch (deutsch(AT)duke.poly.edu), Jun 12 2005