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A005202 Total number of fixed points in planted trees with n nodes.
(Formerly M3282)
1
0, 1, 0, 1, 1, 4, 6, 14, 28, 60 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

REFERENCES

F. Harary and E. M. Palmer, Probability that a point of a tree is fixed, Math. Proc. Camb. Phil. Soc. 85 (1979) 407-415.

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..10.

Index entries for sequences related to rooted trees

Index entries for sequences related to trees

CROSSREFS

Cf. A005200.

Sequence in context: A009849 A303041 A103419 * A106526 A319766 A108516

Adjacent sequences:  A005199 A005200 A005201 * A005203 A005204 A005205

KEYWORD

nonn,easy,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 18 10:21 EDT 2018. Contains 316321 sequences. (Running on oeis4.)