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 A160831 #12 Sep 08 2022 08:45:45
%S A160831 1,69,1032,6905,29573,95789,256488,598417,1258081,2438005,4425312,
%T A160831 7612617,12521237,19826717,30386672,45270945,65794081,93550117,
%U A160831 130449688,178759449,241143813,320709005,421049432,546296369,701168961
%N A160831 G.f.: (1+62*x+570*x^2+1095*x^3+530*x^4+57*x^5+x^6)/(1-x)^7.
%C A160831 Source: the De Loera et al. article and the Haws website listed in A160747.
%H A160831 Vincenzo Librandi, <a href="/A160831/b160831.txt">Table of n, a(n) for n = 0..10000</a>
%H A160831 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7,-21,35,-35,21,-7,1).
%F A160831 a(n) = 193*n^6/60 +151*n^5/15 +109*n^4/6 +19*n^3 +757*n^2/60 +74*n/15 +1. - _R. J. Mathar_, Sep 17 2011
%t A160831 Table[193*n^6/60 +151*n^5/15 +109*n^4/6 +19*n^3 +757*n^2/60 +74*n/15 +1, {n,0,30}] (* or *) LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {1, 69, 1032, 6905, 29573, 95789, 256488}, 30] (* _G. C. Greubel_, Apr 28 2018 *)
%o A160831 (Magma) [193*n^6/60 +151*n^5/15 +109*n^4/6 +19*n^3 +757*n^2/60 +74*n/15 +1: n in [0..30]]; // _Vincenzo Librandi_, Sep 19 2011
%o A160831 (PARI) x='x+O('x^30); Vec((1+62*x+570*x^2+1095*x^3+530*x^4+57*x^5 +x^6 )/(1-x)^7) \\ _G. C. Greubel_, Apr 28 2018
%K A160831 nonn,easy
%O A160831 0,2
%A A160831 _N. J. A. Sloane_, Nov 18 2009