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 A017032 #21 Sep 08 2022 08:44:41 %S A017032 256,14641,104976,390625,1048576,2313441,4477456,7890481,12960000, %T A017032 20151121,29986576,43046721,59969536,81450625,108243216,141158161, %U A017032 181063936,228886641,285610000,352275361,429981696,519885601,623201296,741200625,875213056,1026625681 %N A017032 a(n) = (7*n + 4)^4. %H A017032 Vincenzo Librandi, <a href="/A017032/b017032.txt">Table of n, a(n) for n = 0..10000</a> %H A017032 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1). %F A017032 G.f.: -(81*x^4 + 9595*x^3 + 34331*x^2 + 13361*x + 256) / (x-1)^5. - _Colin Barker_, Oct 21 2015 %F A017032 a(n) = A000583(A017029(n)). - _Michel Marcus_, Oct 21 2015 %t A017032 (7*Range[0, 20] + 4)^4 (* _Harvey P. Dale_, Mar 03 2012 *) %o A017032 (Magma) [(7*n+4)^4: n in [0..40] ]; // _Vincenzo Librandi_, Jul 16 2011 %o A017032 (PARI) Vec(-(81*x^4+9595*x^3+34331*x^2+13361*x+256)/(x-1)^5 + O(x^50)) \\ _Colin Barker_, Oct 21 2015 %Y A017032 Cf. A000583 (n^4), A017029 (7*n+4). %K A017032 nonn,easy %O A017032 0,1 %A A017032 _N. J. A. Sloane_