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 A059602 #9 Feb 09 2014 22:42:22
%S A059602 5,60,376,1660,5830,17380,45760,109252,240955,497640,972400,1812200,
%T A059602 3241628,5594360,9354080,15206840,24107105,37360004,56722600,84527300,
%U A059602 123830850,178592700,253886880,356151900
%N A059602 Expansion of (5+10*x+x^2)/(1-x)^10.
%C A059602 a(n)= A038165(2*n+1).
%F A059602 a(n)= binomial(n+7, 7)*(4*n^2+41*n+90)/18.
%F A059602 G.f.: (5+10*x+x^2)/(1-x)^10.
%t A059602 CoefficientList[Series[(5+10x+x^2)/(1-x)^10,{x,0,50}],x] (* _Harvey P. Dale_, Mar 01 2011 *)
%K A059602 nonn,easy
%O A059602 0,1
%A A059602 _Wolfdieter Lang_, Feb 02 2001