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A036773 Number of labeled rooted trees with a degree constraint: (5*n)!/(120^n))*C(5*n+1,n). +0
1
1, 6, 13860, 423783360, 70220478968640, 41004669682770393600, 65405789473547026656472320, 240729724316568938710767014707200, 1813083536072533851678174232377806438400, 25541737277107694920826740625991927645705830400 (list; graph; listen)
OFFSET

0,2

REFERENCES

L. Takacs, Enumeration of rooted trees and forests, Math. Scientist 18 (1993), 1-10, esp. Eq. (12).

LINKS

Index entries for sequences related to rooted trees

CROSSREFS

Sequence in context: A145720 A093897 A062782 this_sequence A007702 A130434 A121571

Adjacent sequences: A036770 A036771 A036772 this_sequence A036774 A036775 A036776

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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