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%I #4 Feb 16 2023 19:07:40
%S 1,1,2,4,11,30,96,319,1135,4150,15690,60506,237853,948455,3831226,
%T 15642947,64484774,268055006,1122646262,4733357618,20078203381,
%U 85637471487,367093826598,1580813221552,6836181195493
%N Number of polyenes with 2n carbon atoms.
%D J. V. Knop, W. R. Mueller, K. Szymanski and N. Trinajstich, Computer Generation of Certain Classes of Molecules, Zagreb, 1985, see p. 56.
%D N. Trinajstić, S. Nikolić, J. V. Knop, W. R. Müller and K. Szymanski, Computational Chemical Graph Theory: Characterization, Enumeration, and Generation of Chemical Structures by Computer Methods, Ellis Horwood, 1991.
%H Andrey Zabolotskiy, <a href="/A135527/b135527.txt">Table of n, a(n) for n = 1..50</a> (from Trinajstić et al., Table III.13 on p. 155)
%K nonn
%O 1,3
%A Neven Juric (neven.juric(AT)apis-it.hr), Feb 10 2008