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 A029253 #11 Mar 12 2020 22:21:59
%S A029253 1,0,0,1,1,0,2,1,1,3,2,1,5,3,2,6,5,3,9,6,5,11,9,6,15,11,9,18,15,11,23,
%T A029253 18,15,27,23,18,34,27,23,39,34,27,47,39,34,54,47,39,64,54,47,72,64,54,
%U A029253 84,72,64,94,84,72,108,94,84
%N A029253 Expansion of 1/((1-x^3)*(1-x^4)*(1-x^6)*(1-x^9)).
%C A029253 Number of partitions of n into parts 3, 4, 6, and 9. - _Vincenzo Librandi_, Jun 03 2014
%H A029253 Vincenzo Librandi, <a href="/A029253/b029253.txt">Table of n, a(n) for n = 0..1000</a>
%H A029253 <a href="/index/Rec#order_22">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,1,1,0,1,-1,0,0,-1,0,-1,0,0,-1,1,0,1,1,0,0,-1).
%t A029253 CoefficientList[Series[1/((1 - x^3) (1 - x^4) (1 - x^6) (1 - x^9)), {x, 0, 100}], x] (* _Vincenzo Librandi_, Jun 03 2014 *)
%o A029253 (PARI) Vec(1/((1-x^3)*(1-x^4)*(1-x^6)*(1-x^9)) + O(x^80)) \\ _Jinyuan Wang_, Mar 12 2020
%K A029253 nonn,easy
%O A029253 0,7
%A A029253 _N. J. A. Sloane_