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 A017231 #14 Sep 08 2022 08:44:42 %S A017231 48828125,4049565169664,952809757913927,36028797018963968, %T A017231 550329031716248441,4882812500000000000,30155888444737842659, %U A017231 143746751770690322432,564154396389137449973,1903193578437064103936 %N A017231 a(n) = (9*n + 5)^11. %H A017231 Vincenzo Librandi, <a href="/A017231/b017231.txt">Table of n, a(n) for n = 0..10000</a> %H A017231 <a href="/index/Rec#order_12">Index entries for linear recurrences with constant coefficients</a>, signature (12, -66, 220, -495, 792, -924, 792, -495, 220, -66, 12, -1). %t A017231 (9*Range[0,20]+5)^11 (* _Harvey P. Dale_, May 11 2017 *) %o A017231 (Magma) [(9*n+5)^11: n in [0..15]]; // _Vincenzo Librandi_, Jul 24 2011 %K A017231 nonn,easy %O A017231 0,1 %A A017231 _N. J. A. Sloane_