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a(n) = (7*n + 2)^3.
2

%I #20 Sep 08 2022 08:44:41

%S 8,729,4096,12167,27000,50653,85184,132651,195112,274625,373248,

%T 493039,636056,804357,1000000,1225043,1481544,1771561,2097152,2460375,

%U 2863288,3307949,3796416,4330747,4913000

%N a(n) = (7*n + 2)^3.

%H Vincenzo Librandi, <a href="/A017007/b017007.txt">Table of n, a(n) for n = 0..10000</a>

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

%F G.f.: (8 + 697*x + 1228*x^2 + 125*x^3)/(-1+x)^4. - _R. J. Mathar_, Jun 24 2009

%p seq((7*n+2)^3,n=0..30); # _Muniru A Asiru_, Oct 13 2018

%o (Magma) [(7*n+2)^3: n in [0..40]]; // _Vincenzo Librandi_, Jul 13 2011

%o (PARI) a(n) = (7*n+2)^3; \\ _Altug Alkan_, Oct 13 2018

%o (GAP) List([0..30],n->(7*n+2)^3); # _Muniru A Asiru_, Oct 13 2018

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_