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a(n) = (9*n + 8)^9.
1

%I #14 Sep 08 2022 08:44:42

%S 134217728,118587876497,5429503678976,78815638671875,618121839509504,

%T 3299763591802133,13537086546263552,45848500718449031,

%U 134217728000000000,350356403707485209,833747762130149888,1838459212420154507

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

%H Vincenzo Librandi, <a href="/A017265/b017265.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 (9*Range[0,20]+8)^9 (* or *) LinearRecurrence[{10,-45,120,-210,252,-210,120,-45,10,-1},{134217728,118587876497,5429503678976,78815638671875,618121839509504,3299763591802133,13537086546263552,45848500718449031,134217728000000000,350356403707485209},20] (* _Harvey P. Dale_, Mar 18 2019 *)

%o (Magma) [(9*n+8)^9: n in [0..20]]; // _Vincenzo Librandi_, Jul 28 2011

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_