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%I M1210 #15 Dec 26 2016 15:22:23
%S 1,2,4,10,25,64,172,472,1319,3750,10796,31416,92276,273172,814246,
%T 2441688,7360877,22295746,67819576,207083944,634512581,1950301202,
%U 6011920720,18581123978,57568802820,178763375468,556255762692,1734248037856
%N Number of esters with n carbon atoms.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H R. C. Read, <a href="/A000598/a000598.pdf">The Enumeration of Acyclic Chemical Compounds</a>, pp. 25-61 of A. T. Balaban, ed., Chemical Applications of Graph Theory, Ac. Press, 1976. [Annotated scanned copy] See p. 44.
%F G.f. B(x)*(B(x)-1) where B(x) is the g.f. for A000625. - _Sean A. Irvine_, Nov 12 2016
%K nonn
%O 2,2
%A _N. J. A. Sloane_.
%E More terms from _Sean A. Irvine_, Nov 12 2016