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A055317
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Number of labeled trees with n nodes and 5 leaves.
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1
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6, 630, 30240, 1058400, 31752000, 880165440, 23471078400, 616475059200, 16182470304000, 428535787680000, 11519041972838400, 315583670578176000, 8836342776188928000, 253325921601392640000, 7444680145020518400000
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OFFSET
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6,1
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LINKS
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FORMULA
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MATHEMATICA
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Table[n! * (n-5)^2*(n-4)^2*(n-3)*(n-2)/5760, {n, 6, 20}] (* Vaclav Kotesovec, Jul 25 2014 *)
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PROG
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(Magma) [Factorial(n)*(n-5)^2*(n-4)^2*(n-3)*(n-2)/5760: n in [6..25]]; // Vincenzo Librandi, Jul 25 2014
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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