A017073 - OEIS

%I #12 Sep 08 2022 08:44:41

%S 0,134217728,68719476736,2641807540224,35184372088832,262144000000000,

%T 1352605460594688,5416169448144896,18014398509481984,

%U 51998697814228992,134217728000000000,316478381828866048,692533995824480256

%N a(n) = (8*n)^9.

%H Vincenzo Librandi, <a href="/A017073/b017073.txt">Table of n, a(n) for n = 0..10000</a>

%H <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (10, -45, 120, -210, 252, -210, 120, -45, 10, -1).

%t (8*Range[0,20])^9 (* or *) LinearRecurrence[{10,-45,120,-210,252,-210,120,-45,10,-1},{0,134217728,68719476736,2641807540224,35184372088832,262144000000000,1352605460594688,5416169448144896,18014398509481984,51998697814228992},20] (* _Harvey P. Dale_, Dec 21 2016 *)

%o (Magma) [(8*n)^9: n in [0..35]]; // _Vincenzo Librandi_, Jul 11 2011

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_