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A014270 Number of trees on n nodes with forbidden limbs. +0
1
0, 1, 1, 1, 2, 3, 6, 10, 21, 45, 100, 223, 522, 1234 (list; graph; listen)
OFFSET

0,5

REFERENCES

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

LINKS

Index entries for sequences related to trees

CROSSREFS

Sequence in context: A138347 A036650 A049889 this_sequence A127076 A137208 A049527

Adjacent sequences: A014267 A014268 A014269 this_sequence A014271 A014272 A014273

KEYWORD

nonn,more

AUTHOR

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

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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