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A362292
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a(n) = (n+1/3)^n * (3*n)!/n!.
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2
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1, 8, 1960, 2240000, 7037430400, 47023181004800, 573855569801113600, 11561744236447268864000, 357878145625000000000000000, 16126894605060719806880153600000, 1014615361149039162308699493990400000, 86191463407361600308443922239271731200000
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listen;
history;
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internal format)
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OFFSET
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0,2
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LINKS
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PROG
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(PARI) a(n) = (n+1/3)^n*(3*n)!/n!;
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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