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 A169989 #13 Aug 01 2020 11:39:30
%S A169989 1,1,0,1,1,1,1,1,2,2,2,2,3,2,2,3,3,3,2,3,3,3,2,2,3,2,2,2,2,1,1,1,1,1,
%T A169989 0,1,1
%N A169989 Expansion of Product_{i=0..m-1} 1 + x^(2*i+1) for m=6.
%C A169989 Product_{i=0..m-1} 1 + x^(2*i+1) is the Poincaré polynomial for GL(m).
%C A169989 Number of self-conjugate partitions of n into at most 6 parts. Also, number of partitions of n into distinct odd parts not larger than 11. - _Álvar Ibeas_, Jul 30 2020
%D A169989 H. Weyl, The Classical Groups, Princeton, 1946, see p. 233.
%t A169989 CoefficientList[Series[Product[1+x^(2i+1),{i,0,5}],{x,0,40}],x] (* _Harvey P. Dale_, Mar 03 2013 *)
%Y A169989 Cf. A169987-A169995, A000700.
%K A169989 nonn,fini,full
%O A169989 0,9
%A A169989 _N. J. A. Sloane_, Aug 29 2010