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A007315 Reversion of g.f. (beginning with constant term) for number of trees with n nodes.
(Formerly M3512)
1
1, -1, 1, -1, 0, 4, -16, 46, -111, 228, -379, 389, 393, -3810, 14169, -39735, 91861, -172623, 225378, 10246, -1347935, 5843671, -17779693, 43942706, -89033228, 133666868, -64088688, -508956437, 2636138606, -8664888857, 22760994036, -49429259575 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..32.

Index entries for reversions of series

Index entries for sequences related to trees

CROSSREFS

Cf. A000055, A037247.

Sequence in context: A213480 A159940 A000704 * A055342 A213292 A174836

Adjacent sequences:  A007312 A007313 A007314 * A007316 A007317 A007318

KEYWORD

sign,easy

AUTHOR

N. J. A. Sloane, Mira Bernstein

EXTENSIONS

Signs corrected Dec 24 2001

STATUS

approved

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Last modified October 18 14:24 EDT 2018. Contains 316321 sequences. (Running on oeis4.)