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A056066 Expansion of log( dC(x)/dx ), C(x) = e.g.f. for labeled connected graphs (A001187). 0
0, 1, 3, 28, 570, 22568, 1682352, 237014512, 64144890960, 33877404737792, 35289907832496768, 72958473002707495168, 300387071466709317941760, 2467720611903398552604259328, 40493022471111759715270671578112 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

REFERENCES

F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 16, Eq. (1.3.3).

CROSSREFS

Sequence in context: A161971 A156315 A062497 * A174483 A092985 A181588

Adjacent sequences:  A056063 A056064 A056065 * A056067 A056068 A056069

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jul 29 2000

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.