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A014278 Number of trees on n nodes with forbidden limbs. +0
1
0, 1, 1, 2, 3, 6, 12, 30, 67, 159, 381 (list; graph; listen)
OFFSET

0,4

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: A073431 A003317 A145062 this_sequence A060777 A089430 A096746

Adjacent sequences: A014275 A014276 A014277 this_sequence A014279 A014280 A014281

KEYWORD

nonn,more

AUTHOR

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

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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