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 A029168 #11 Mar 15 2020 22:41:55
%S A029168 1,0,1,1,1,1,2,1,2,2,3,3,4,4,5,5,6,6,7,7,9,9,11,11,13,13,15,15,17,17,
%T A029168 20,20,23,24,26,27,30,30,33,34,37,38,42,43,47,48,52,53,57,58,63,64,69,
%U A029168 71,76,78,83,85,90,92,98,100
%N A029168 Expansion of 1/((1-x^2)(1-x^3)(1-x^10)(1-x^11)).
%H A029168 <a href="/index/Rec#order_26">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,1,0,-1,0,0,0,0,1,1,-1,-2,-1,1,1,0,0,0,0,-1,0,1,1,0,-1).
%t A029168 CoefficientList[Series[1/((1-x^2)(1-x^3)(1-x^10)(1-x^11)), {x,0,70}], x] (* _Harvey P. Dale_, Jul 22 2011 *)
%o A029168 (PARI) Vec(1/((1-x^2)*(1-x^3)*(1-x^10)*(1-x^11))+O(x^99)) \\ _Charles R Greathouse IV_, Sep 27 2012
%K A029168 nonn,easy
%O A029168 0,7
%A A029168 _N. J. A. Sloane_