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A001854 Total height of labeled trees with n nodes.
(Formerly M2081 N0822) 		+0
1
0, 2, 15, 148, 1785, 26106, 449701, 8927192, 200847681 (list; graph; listen)
OFFSET

1,2
REFERENCES

J. Riordan, Enumeration of trees by height and diameter, IBM J. Res. Dev. 4 (1960), 473-478.

LINKS

Index entries for sequences related to trees

CROSSREFS

Sequence in context: A140306 A005415 A111686 this_sequence A060226 A002103 A124548

Adjacent sequences: A001851 A001852 A001853 this_sequence A001855 A001856 A001857

KEYWORD

nonn

AUTHOR

njas

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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