A016867 - OEIS

%I #13 Dec 11 2025 18:08:08

%S 1,279936,19487171,268435456,1801088541,8031810176,27512614111,

%T 78364164096,194754273881,435817657216,897410677851,1727094849536,

%U 3142742836021,5455160701056,9095120158391,14645194571776,22876792454961,34792782221696,51676101935731,75144747810816,107213535210701

%N a(n) = (5*n + 1)^7.

%H Paolo Xausa, <a href="/A016867/b016867.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 (5*Range[0, 20] + 1)^7 (* _Paolo Xausa_, Dec 11 2025 *)

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_