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a(n) = (12n+6)^3.
0

%I #9 Sep 08 2022 08:44:43

%S 216,5832,27000,74088,157464,287496,474552,729000,1061208,1481544,

%T 2000376,2628072,3375000,4251528,5268024,6434856,7762392,9261000,

%U 10941048,12812904,14886936,17173512,19683000

%N a(n) = (12n+6)^3.

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

%F a(n) = 4*a(n-1)-6*a(n-2)+4*a(n-3)-a(n-4). - _Wesley Ivan Hurt_, May 07 2021

%o (Magma) [(12*n+6)^3 : n in [0..50]]; // _Wesley Ivan Hurt_, May 07 2021

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_.