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 A017535 #20 Jul 08 2025 06:08:17
%S A017535 1,2197,15625,50653,117649,226981,389017,614125,912673,1295029,
%T A017535 1771561,2352637,3048625,3869893,4826809,5929741,7189057,8615125,
%U A017535 10218313,12008989,13997521,16194277,18609625,21253933,24137569,27270901,30664297,34328125,38272753
%N A017535 a(n) = (12*n+1)^3.
%H A017535 Vincenzo Librandi, <a href="/A017535/b017535.txt">Table of n, a(n) for n = 0..1000</a>
%H A017535 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,-6,4,-1).
%F A017535 G.f.: (1 + 2193*x + 6843*x^2 + 1331*x^3)/(1-x)^4. - _Vincenzo Librandi_, May 26 2016
%F A017535 a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) - a(n-4), for n>3. - _Vincenzo Librandi_, May 26 2016
%F A017535 a(n) = A000578(A017533(n)). - _Michel Marcus_, May 26 2016
%t A017535 Table[(12 n + 1)^3, {n, 0, 50}] (* _Vincenzo Librandi_, May 26 2016 *)
%o A017535 (Maxima) makelist( (12*n+1)^3 ,n,0,30); /* _Martin Ettl_, Oct 21 2012 */
%o A017535 (Magma) [(12*n + 1)^3: n in [0..40]]; // _Vincenzo Librandi_, May 26 2016
%Y A017535 Cf. A000578, A017533.
%K A017535 nonn,easy
%O A017535 0,2
%A A017535 _N. J. A. Sloane_