A017083 - OEIS

%I #15 Sep 08 2022 08:44:41

%S 1,4782969,410338673,6103515625,42618442977,194754273881,678223072849,

%T 1954897493193,4902227890625,11047398519097,22876792454961,

%U 44231334895529,80798284478113,140710042265625

%N a(n) = (8*n + 1)^7.

%H Vincenzo Librandi, <a href="/A017083/b017083.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 (8Range[0,20]+1)^7  (* _Harvey P. Dale_, Apr 21 2011 *)

%o (Magma) [(8*n+1)^7: n in [0..30]]; // _Vincenzo Librandi_, Jul 11 2011

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_