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Search: id:A055316
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A055316 Number of labeled trees with n nodes and 4 leaves. +0
1
5, 210, 5250, 109200, 2116800, 40219200, 768398400, 14968800000, 299675376000, 6193291104000, 132456516192000, 2935293064704000, 67432408243200000, 1605928737853440000, 39636028549877760000 (list; graph; listen)
OFFSET

5,1

LINKS

Index entries for sequences related to trees

FORMULA

(n!/4!)*stirling2(n-2, n-4). - Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 28 2004

CROSSREFS

Column 4 of A055314.

Sequence in context: A020541 A027682 A006413 this_sequence A165208 A004784 A144796

Adjacent sequences: A055313 A055314 A055315 this_sequence A055317 A055318 A055319

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), May 11 2000

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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