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 A350983 #9 Sep 04 2024 19:44:03
%S A350983 1,25,865,29401,998785,33929305,1152597601,39154389145,1330096633345,
%T A350983 45184131144601,1534930362283105,52142448186480985,
%U A350983 1771308307978070401,60172340023067912665,2044088252476330960225,69438828244172184735001,2358876072049377950029825,80132347621434678116279065
%N A350983 a(0)=1, a(1)=25, a(2)=865; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).
%D A350983 P.-F. Teilhet, Query 2376, L'Intermédiaire des Mathématiciens, 11 (1904), 138-139.
%H A350983 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (35,-35,1).
%F A350983 G.f.: -(5*x - 1)^2/((x - 1)*(x^2 - 34*x + 1)). - _Chai Wah Wu_, Mar 08 2022
%t A350983 nxt[{a_,b_,c_}]:={b,c,35(c-b)+a}; NestList[nxt,{1,25,865},20][[;;,1]] (* or *) LinearRecurrence[ {35,-35,1},{1,25,865},20] (* _Harvey P. Dale_, Sep 04 2024 *)
%Y A350983 Cf. A001541, A001542, A350984.
%K A350983 nonn
%O A350983 0,2
%A A350983 _N. J. A. Sloane_, Mar 08 2022