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 A243130 #14 Dec 10 2023 19:14:18
%S A243130 -1,11,564719,46611179,929944511,9127651499,58130412911,276182038859,
%T A243130 1061324394239,3472236254411,10011386405999,26069206375211,
%U A243130 62418042417599,139296285729899,292810020137711,584605483663499,1116034330278911,2048348816684939,3630829342034159
%N A243130 1024*n^10 - 2304*n^8 + 1792*n^6 - 560*n^4 + 60*n^2 - 1.
%C A243130 Chebyshev polynomial of the second kind U(10,n).
%H A243130 Vincenzo Librandi, <a href="/A243130/b243130.txt">Table of n, a(n) for n = 0..1000</a>
%H A243130 <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 A243130 G.f.: (-1 + 22*x + 564543*x^2 + 40400040*x^3 + 448278942*x^4 + 1368702180*x^5 + 1368701718*x^6 + 448279272*x^7 + 40399875*x^8 + 564598*x^9 + 11*x^10)/(1 - x)^11.
%F A243130 a(n) = (32*n^5 - 16*n^4 - 32*n^3 +12*n^2 + 6*n - 1)*(32*n^5 + 16*n^4 - 32*n^3 -12*n^2 + 6*n + 1).
%t A243130 Table[ChebyshevU[10, n], {n, 0, 20}] (* or *) Table[1024 n^10 - 2304 n^8 + 1792 n^6 - 560 n^4 + 60 n^2 - 1, {n, 0, 20}]
%t A243130 LinearRecurrence[{11,-55,165,-330,462,-462,330,-165,55,-11,1},{-1,11,564719,46611179,929944511,9127651499,58130412911,276182038859,1061324394239,3472236254411,10011386405999},20] (* _Harvey P. Dale_, Dec 10 2023 *)
%o A243130 (Magma) [1024*n^10-2304*n^8+1792*n^6-560*n^4+60*n^2-1: n in [0..20]];
%Y A243130 Cf. A144138, A144139, A242850, A242851.
%K A243130 sign,easy
%O A243130 0,2
%A A243130 _Vincenzo Librandi_, May 30 2014