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 A320592 #6 Oct 16 2018 16:35:07 %S A320592 1,1,3,4,6,8,12,14,19,23,29,34,42,48,58,66,77,87,101,112,128,142,160, %T A320592 176,197,215,239,260,286,310,340,366,399,429,465,498,538,574,618,658, %U A320592 705,749,801,848,904,956,1016,1072,1137,1197,1267,1332,1406,1476,1556 %N A320592 Number of partitions of n with four parts in which no part occurs more than twice. %H A320592 Alois P. Heinz, <a href="/A320592/b320592.txt">Table of n, a(n) for n = 6..10000</a> %F A320592 G.f.: -(x^4-x^2-1)*x^6/((x^2+1)*(x^2+x+1)*(x+1)^2*(x-1)^4). %Y A320592 Column k=4 of A209318. %K A320592 nonn,easy %O A320592 6,3 %A A320592 _Alois P. Heinz_, Oct 16 2018