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A008295 Triangle of numbers of point labeled rooted trees. 0
1, 1, 1, 1, 2, 2, 2, 5, 9, 9, 4, 13, 34, 64, 64, 9, 35, 119, 326, 625, 625, 20, 95, 401, 1433, 4016, 7776, 7776, 48, 262, 1316, 5799, 21256, 60387, 117649, 117649, 115, 727, 4247, 22224 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,5

REFERENCES

J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 134.

LINKS

Table of n, a(n) for n=0..39.

Index entries for sequences related to rooted trees

CROSSREFS

Sequence in context: A208050 A039886 A109523 * A216694 A116697 A014244

Adjacent sequences:  A008292 A008293 A008294 * A008296 A008297 A008298

KEYWORD

nonn,tabl,nice

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 19 12:48 EST 2018. Contains 299333 sequences. (Running on oeis4.)