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A017058
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a(n) = (7*n + 6)^6.
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1
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46656, 4826809, 64000000, 387420489, 1544804416, 4750104241, 12230590464, 27680640625, 56800235584, 107918163081, 192699928576, 326940373369, 531441000000, 832972004929, 1265319018496, 1870414552161
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OFFSET
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0,1
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LINKS
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FORMULA
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a(n) = 7*a(n-1) - 21*a(n-2) + 35*a(n-3) - 35*a(n-4) + 21*a(n-5) - 7*a(n-6) + a(n-7); a(0)=46656, a(1)=4826809, a(2)=64000000, a(3)=387420489, a(4)=1544804416, a(5)=4750104241, a(6)=12230590464. - Harvey P. Dale, Sep 04 2015
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MATHEMATICA
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(7*Range[0, 20]+6)^6 (* or *) LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {46656, 4826809, 64000000, 387420489, 1544804416, 4750104241, 12230590464}, 20] (* Harvey P. Dale, Sep 04 2015 *)
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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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