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a(n) = (12*n+9)^4.
0

%I #8 May 01 2022 21:06:50

%S 6561,194481,1185921,4100625,10556001,22667121,43046721,74805201,

%T 121550625,187388721,276922881,395254161,547981281,741200625,

%U 981506241,1275989841,1632240801,2058346161,2562890625

%N a(n) = (12*n+9)^4.

%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1).

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_.