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a(n) = (5n + 4)^3.
2

%I #17 Sep 08 2022 08:44:41

%S 64,729,2744,6859,13824,24389,39304,59319,85184,117649,157464,205379,

%T 262144,328509,405224,493039,592704,704969,830584,970299,1124864,

%U 1295029,1481544,1685159,1906624

%N a(n) = (5n + 4)^3.

%H Vincenzo Librandi, <a href="/A016899/b016899.txt">Table of n, a(n) for n = 0..1000</a>

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

%t (5Range[0, 26] + 4)^3 (* _Alonso del Arte_, Oct 10 2017 *)

%t LinearRecurrence[{4,-6,4,-1},{64,729,2744,6859},30] (* _Harvey P. Dale_, Apr 14 2019 *)

%o (Magma) [(5*n+4)^3: n in [0..50]]; // _Vincenzo Librandi_, May 02 2011

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_