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 A024053 #12 Sep 08 2022 08:44:48 %S A024053 1,4,9,44,369,2500,14329,75724,386529,1946564,9755625,48813484, %T A024053 244119889,1220674564,6103477209,30517527500,152587825089, %U A024053 762939369604,3814697160649,19073486197804,95367431480625 %N A024053 a(n) = 5^n - n^4. %H A024053 Vincenzo Librandi, <a href="/A024053/b024053.txt">Table of n, a(n) for n = 0..300</a> %H A024053 <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (10,-35,60,-55,26,-5). %F A024053 a(n) = 10*a(n-1) - 35*a(n-2) + 60*a(n-3) - 55*a(n-4) + 26*a(n-5) - 5*a(n-6). %o A024053 (Magma) [5^n-n^4: n in [0..35]]; // _Vincenzo Librandi_, Jun 12 2011 %K A024053 nonn,easy %O A024053 0,2 %A A024053 _N. J. A. Sloane_