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 A017056 #14 Sep 08 2022 08:44:41 %S A017056 1296,28561,160000,531441,1336336,2825761,5308416,9150625,14776336, %T A017056 22667121,33362176,47458321,65610000,88529281,116985856,151807041, %U A017056 193877776,244140625,303595776,373301041 %N A017056 a(n) = (7*n + 6)^4. %H A017056 Vincenzo Librandi, <a href="/A017056/b017056.txt">Table of n, a(n) for n = 0..10000</a> %H A017056 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1). %F A017056 G.f.: -(1296 + 22081*x + 30155*x^2 + 4091*x^3 + x^4)/(x-1)^5. - _R. J. Mathar_, Jul 14 2016 %o A017056 (Magma) [(7*n+6)^4: n in [0..40]]; // _Vincenzo Librandi_, Jul 10 2011 %Y A017056 Cf. A017053 (7*n+6). %K A017056 nonn,easy %O A017056 0,1 %A A017056 _N. J. A. Sloane_