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 A170783 #11 Sep 08 2022 08:45:49
%S A170783 0,1,768,39366,655360,5859375,35271936,161414428,603979776,1937102445,
%T A170783 5500000000,14147686146,33538572288,74231495611,154957850880,
%U A170783 307546875000,584115552256,1067290888473,1884413258496,3226876977790
%N A170783 a(n) = n^9*(n + 1)/2.
%H A170783 Vincenzo Librandi, <a href="/A170783/b170783.txt">Table of n, a(n) for n = 0..10000</a>
%H A170783 <a href="/index/Rec#order_11">Index entries for linear recurrences with constant coefficients</a>, signature (11,-55,165,-330,462,-462,330,-165, 55,-11,1).
%F A170783 G.f.: (x + 757*x^2 + 30973*x^3 + 264409*x^4 + 689155*x^5 + 621199*x^6 + 190783*x^7 + 16867*x^8 + 256*x^9)/(1-x)^11. - _G. C. Greubel_, Dec 05 2017
%F A170783 a(n) = 11*a(n-1)-55*a(n-2)+165*a(n-3)-330*a(n-4)+462*a(n-5)-462*a(n-6)+330*a(n-7)-165*a(n-8)+55*a(n-9)-11*a(n-10)+a(n-11). - _Wesley Ivan Hurt_, Apr 11 2022
%t A170783 Table[n^9*(n+1)/2, {n,0,30}] (* _G. C. Greubel_, Dec 05 2017 *)
%o A170783 (Magma) [n^9*(n+1)/2: n in [0..20]]; // _Vincenzo Librandi_, Aug 26 2011
%o A170783 (PARI) for(n=0, 30, print1(n^9*(n+1)/2, ", ")) \\ _G. C. Greubel_, Dec 05 2017
%K A170783 nonn,easy
%O A170783 0,3
%A A170783 _N. J. A. Sloane_, Dec 11 2009