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 A160816 #13 Sep 08 2022 08:45:45
%S A160816 1,69,1025,6793,28873,92989,247913,576465,1208689,2337205,4234737,
%T A160816 7273817,11948665,18899245,28937497,43075745,62557281,88889125,
%U A160816 123876961,169662249,228761513,304107805,399094345,517620337,664138961
%N A160816 Expansion of (1+62*x+563*x^2+1032*x^3+467*x^4+50*x^5+x^6)/(1-x)^7.
%C A160816 Source: the De Loera et al. article and the Haws website listed in A160747.
%H A160816 Vincenzo Librandi, <a href="/A160816/b160816.txt">Table of n, a(n) for n = 0..10000</a>
%H A160816 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7,-21,35,-35,21,-7,1).
%F A160816 a(n) = 136*n^6/45 +151*n^5/15 +167*n^4/9 +19*n^3+559*n^2/45 +74*n/15 +1. - _R. J. Mathar_, Sep 17 2011
%t A160816 CoefficientList[Series[(1+62*x+563*x^2+1032*x^3+467*x^4 +50*x^5+x^6)/(1-x)^7, {x, 0, 50}], x] (* or *) LinearRecurrence[{7,-21,35,-35,21,-7,1}, {1, 69, 1025, 6793, 28873, 92989, 247913}, 50] (* _G. C. Greubel_, Apr 26 2018 *)
%o A160816 (Magma) [136*n^6/45 +151*n^5/15 +167*n^4/9 +19*n^3+559*n^2/45 +74*n/15 +1: n in [0..30]]; // _Vincenzo Librandi_, Sep 18 2011
%o A160816 (PARI) x='x+O('x^30); Vec((1+62*x+563*x^2+1032*x^3+467*x^4 +50*x^5 + x^6)/(1-x)^7) \\ _G. C. Greubel_, Apr 26 2018
%K A160816 nonn
%O A160816 0,2
%A A160816 _N. J. A. Sloane_, Nov 18 2009