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 A244635 #22 Dec 01 2024 13:41:32 %S A244635 0,29,116,261,464,725,1044,1421,1856,2349,2900,3509,4176,4901,5684, %T A244635 6525,7424,8381,9396,10469,11600,12789,14036,15341,16704,18125,19604, %U A244635 21141,22736,24389,26100,27869,29696,31581,33524,35525,37584,39701,41876,44109,46400,48749 %N A244635 a(n) = 29*n^2. %H A244635 Vincenzo Librandi, <a href="/A244635/b244635.txt">Table of n, a(n) for n = 0..1000</a> %H A244635 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3,-3,1). %F A244635 G.f.: 29*x*(1 + x)/(1 - x)^3. [corrected by _Bruno Berselli_, Jul 03 2014] %F A244635 a(n) = 3*a(n-1) - 3*a(n-2) + a(n-3) for n > 2. %F A244635 a(n) = 29*A000290(n). - _Omar E. Pol_, Jul 03 2014 %F A244635 From _Elmo R. Oliveira_, Dec 01 2024: (Start) %F A244635 E.g.f.: 29*x*(1 + x)*exp(x). %F A244635 a(n) = n*A195819(n). (End) %t A244635 Table[29 n^2, {n, 0, 40}] %o A244635 (Magma) [29*n^2: n in [0..40]]; %o A244635 (PARI) a(n)=29*n^2 \\ _Charles R Greathouse IV_, Jun 17 2017 %Y A244635 Cf. similar sequences listed in A244630. %Y A244635 Cf. A000290, A195819. %K A244635 nonn,easy %O A244635 0,2 %A A244635 _Vincenzo Librandi_, Jul 03 2014