This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A017577 #15 Dec 30 2024 22:44:16
%S A017577 262144,68719476736,10578455953408,262144000000000,2779905883635712,
%T A017577 18014398509481984,84590643846578176,316478381828866048,
%U A017577 1000000000000000000,2773078757450186752,6930988311686938624,15916595351771938816,34068690316840665088,68719476736000000000
%N A017577 a(n) = (12n+4)^9.
%H A017577 <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).
%F A017577 From _Amiram Eldar_, Jul 14 2024: (Start)
%F A017577 a(n) = A001017(A017569(n)) = A017569(n)^9.
%F A017577 a(n) = 262144 * A016785(n).
%F A017577 Sum_{n>=0} 1/a(n) = 809*Pi^9/(7313988648960*sqrt(3)) + 9841*zeta(9)/5159780352. (End)
%t A017577 (12*Range[0,30]+4)^9 (* or *) LinearRecurrence[{10,-45,120,-210,252,-210,120,-45,10,-1},{262144,68719476736,10578455953408,262144000000000,2779905883635712,18014398509481984,84590643846578176,316478381828866048,1000000000000000000,2773078757450186752},40] (* _Harvey P. Dale_, Sep 07 2018 *)
%Y A017577 Cf. A001017, A013667, A016785, A017569.
%K A017577 nonn,easy
%O A017577 0,1
%A A017577 _N. J. A. Sloane_
%E A017577 More terms from _Amiram Eldar_, Jul 14 2024