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A014271 Number of trees on n nodes with forbidden limbs. 0
0, 1, 2, 5, 18, 70, 282, 1189, 5144, 22804, 102908 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

T. Lu, The enumeration of trees with and without given limbs, Discr. Math., 154 (1996), 153-165.

LINKS

Table of n, a(n) for n=0..10.

Index entries for sequences related to trees

CROSSREFS

Sequence in context: A150024 A150025 A118814 * A073157 A141494 A189843

Adjacent sequences:  A014268 A014269 A014270 * A014272 A014273 A014274

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 17 23:56 EDT 2013. Contains 226327 sequences.