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A001852 Total diameter of labeled trees with n nodes.
(Formerly M4247 N1774)
+0
1
0, 1, 6, 44, 430, 5322, 79184, 1381144 (list; graph; listen)
OFFSET

1,3

REFERENCES

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

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

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: A090442 A084965 A124996 this_sequence A065783 A158460 A077672

Adjacent sequences: A001849 A001850 A001851 this_sequence A001853 A001854 A001855

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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