A017059 - OEIS

%I #13 Sep 08 2022 08:44:41

%S 279936,62748517,1280000000,10460353203,52523350144,194754273881,

%T 587068342272,1522435234375,3521614606208,7446353252589,

%U 14645194571776,27136050989627,47829690000000,80798284478113

%N a(n) = (7*n + 6)^7.

%H Vincenzo Librandi, <a href="/A017059/b017059.txt">Table of n, a(n) for n = 0..10000</a>

%H <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (8, -28, 56, -70, 56, -28, 8, -1).

%t (7*Range[0,20]+6)^7 (* or *) LinearRecurrence[{8,-28,56,-70,56,-28,8,-1},{279936,62748517,1280000000,10460353203,52523350144,194754273881,587068342272,1522435234375},20] (* _Harvey P. Dale_, Oct 28 2017 *)

%o (Magma) [(7*n+6)^7: n in [0..30]]; // _Vincenzo Librandi_, Jul 10 2011

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_