%I #17 Sep 08 2022 08:44:41
%S 0,729,46656,531441,2985984,11390625,34012224,85766121,191102976,
%T 387420489,729000000,1291467969,2176782336,3518743761,5489031744,
%U 8303765625,12230590464,17596287801,24794911296
%N a(n) = (3*n)^6.
%H Vincenzo Librandi, <a href="/A016770/b016770.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7,-21,35,-35,21,-7,1).
%F G.f.: -729*x*(1+x)*(x^4 + 56*x^3 + 246*x^2 + 56*x + 1)/(x-1)^7. - _R. J. Mathar_, Jul 07 2017
%t (3Range[0,20])^6 (* _Harvey P. Dale_, May 08 2011 *)
%o (Magma) [(3*n)^6: n in [0..25]]; // _Vincenzo Librandi_, May 09 2011
%Y Cf. A001014 (n^6).
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_