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A014276 Number of directed rooted trees on n nodes with forbidden limbs. +0
1
0, 1, 3, 15, 82, 495, 3144, 20874, 142766, 1000083, 7136463, 51699614, 379214625 (list; graph; listen)
OFFSET

0,3

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 rooted trees

CROSSREFS

Cf. A006964.

Sequence in context: A015680 A084208 A059271 this_sequence A006964 A052451 A026019

Adjacent sequences: A014273 A014274 A014275 this_sequence A014277 A014278 A014279

KEYWORD

nonn,more

AUTHOR

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

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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