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 A010833 #24 Aug 13 2023 08:47:19
%S A010833 1,-28,350,-2520,11025,-26180,4158,184600,-554400,401100,1496964,
%T A010833 -3920280,1444625,6224400,-4972350,-7121296,-8308965,50796900,
%U A010833 -8971200,-121968000,94011435,80598288,20282500,-175228200
%N A010833 Expansion of Product_{k>=1} (1-x^k)^28.
%D A010833 Morris Newman, A table of the coefficients of the powers of eta(tau), Nederl. Akad. Wetensch. Proc. Ser. A. 59 = Indag. Math. 18 (1956), 204-216.
%H A010833 Seiichi Manyama, <a href="/A010833/b010833.txt">Table of n, a(n) for n = 0..10000</a>
%H A010833 M. Boylan, <a href="http://dx.doi.org/10.1016/S0022-314X(02)00037-9">Exceptional congruences for the coefficients of certain eta-product newforms</a>, J. Number Theory 98 (2003), no. 2, 377-389.
%H A010833 <a href="/index/Pro#1mxtok">Index entries for expansions of Product_{k >= 1} (1-x^k)^m</a>
%F A010833 a(0) = 1, a(n) = -(28/n) * Sum_{k=1..n} A000203(k)*a(n-k) for n > 0. - _Seiichi Manyama_, Aug 13 2023
%e A010833 1 - 28*x + 350*x^2 - 2520*x^3 + 11025*x^4 - 26180*x^5 + 4158*x^6 + 184600*x^7 + ...
%Y A010833 Column k=28 of A286354.
%Y A010833 Cf. A000203, A126581.
%K A010833 sign
%O A010833 0,2
%A A010833 _N. J. A. Sloane_