%I #7 Mar 30 2012 16:47:44
%S 1,-1,1,-2,5,-13,35,-98,282,-832,2505,-7662,23715,-74104,233429,
%T -740511,2363816,-7587409,24473880,-79289278,257890856,-841789791,
%U 2756618710,-9053837032,29817032534,-98441372386,325753459625,-1080250590778
%N Reversion of g.f. (beginning with x term) for number of trees with n nodes.
%H <a href="/index/Res#revert">Index entries for reversions of series</a>
%H <a href="/index/Tra#trees">Index entries for sequences related to trees</a>
%Y Cf. A000055, A007315.
%K sign
%O 0,4
%A _N. J. A. Sloane_.
%E Signs corrected Dec 24 2001