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A016947 a(n) = (6*n + 3)^3. 1

%I

%S 27,729,3375,9261,19683,35937,59319,91125,132651,185193,250047,328509,

%T 421875,531441,658503,804357,970299,1157625,1367631,1601613,1860867,

%U 2146689,2460375,2803221,3176523

%N a(n) = (6*n + 3)^3.

%H Vincenzo Librandi, <a href="/A016947/b016947.txt">Table of n, a(n) for n = 0..2000</a>

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4, -6, 4, -1).

%o (MAGMA) [(6*n+3)^3: n in [0..50]]; // _Vincenzo Librandi_, May 05 2011

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_

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Last modified February 16 21:59 EST 2019. Contains 320200 sequences. (Running on oeis4.)