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 A017226 #16 Sep 08 2022 08:44:42 %S A017226 15625,7529536,148035889,1073741824,4750104241,15625000000, %T A017226 42180533641,98867482624,208422380089,404567235136,735091890625, %U A017226 1265319018496,2081951752609,3297303959104,5053913144281 %N A017226 a(n) = (9*n + 5)^6. %H A017226 Vincenzo Librandi, <a href="/A017226/b017226.txt">Table of n, a(n) for n = 0..10000</a> %H A017226 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7, -21, 35, -35, 21, -7, 1). %F A017226 G.f.: -(15625 + 7420161*x + 95657262*x^2 + 195063982*x^3 + 79678257*x^4 + 4798137*x^5 + 4096*x^6) /(x-1)^7. - _R. J. Mathar_, Mar 20 2018 %o A017226 (Magma) [(9*n+5)^6: n in [0..25]]; // _Vincenzo Librandi_, Jul 24 2011 %K A017226 nonn,easy %O A017226 0,1 %A A017226 _N. J. A. Sloane_