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A017163
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a(n) = (9*n)^3.
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2
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0, 729, 5832, 19683, 46656, 91125, 157464, 250047, 373248, 531441, 729000, 970299, 1259712, 1601613, 2000376, 2460375, 2985984, 3581577, 4251528, 5000211, 5832000, 6751269, 7762392, 8869743
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OFFSET
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0,2
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LINKS
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FORMULA
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G.f.: 729*x*(1 + 4*x + x^2) / (x-1)^4. - R. J. Mathar, Jul 17 2014
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MATHEMATICA
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(9*Range[0, 30])^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {0, 729, 5832, 19683}, 30] (* Harvey P. Dale, Sep 09 2019 *)
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PROG
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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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