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 A010835 #22 Aug 13 2023 08:47:27 %S A010835 1,-30,405,-3190,15660,-45036,40745,222750,-974835,1334580,1547469, %T A010835 -8174520,8380245,9200250,-23243355,-2643380,14704740,82050570, %U A010835 -116275500,-195804810,442809990,25147930,-371898000,-313802910,125394405,1688931000,-1364323095,-737497840,158838945,-1653918750,6309965146,-1076120370 %N A010835 Expansion of Product_{k>=1} (1-x^k)^30. %D A010835 Newman, Morris; 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 A010835 Seiichi Manyama, <a href="/A010835/b010835.txt">Table of n, a(n) for n = 0..10000</a> %H A010835 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 A010835 <a href="/index/Pro#1mxtok">Index entries for expansions of Product_{k >= 1} (1-x^k)^m</a> %F A010835 a(0) = 1, a(n) = -(30/n) * Sum_{k=1..n} A000203(k)*a(n-k) for n > 0. - _Seiichi Manyama_, Aug 13 2023 %o A010835 (PARI) N=66; x='x+O('x^N); /* that many terms */ %o A010835 gf=eta(x)^30; %o A010835 Vec(gf) /* show terms */ /* _Joerg Arndt_, Jul 30 2011 */ %Y A010835 Column k=30 of A286354. %Y A010835 Cf. A000203, A082556. %K A010835 sign %O A010835 0,2 %A A010835 _N. J. A. Sloane_