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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Table of n, a(n) for n=1..32.
Index entries for reversions of series
Index entries for sequences related to trees
Cf. A000055, A037247.
Sequence in context: A213480 A159940 A000704 * A055342 A213292 A174836
Adjacent sequences: A007312 A007313 A007314 * A007316 A007317 A007318
N. J. A. Sloane, Mira Bernstein
Signs corrected Dec 24 2001