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 A282549 #15 Feb 27 2018 02:58:40
%S A282549 1,696,161928,12599904,-22912728,-6132581424,-107015308128,
%T A282549 -1012991092032,-6676225539480,-34225591158312,-145164618698832,
%U A282549 -530958452207328,-1722320395791072,-5059903726594416,-13673185634909376,-34406198518205376,-81397333990275864
%N A282549 Coefficients in q-expansion of E_2*E_4^3, where E_2 and E_4 are respectively the Eisenstein series A006352 and A004009.
%H A282549 Seiichi Manyama, <a href="/A282549/b282549.txt">Table of n, a(n) for n = 0..1000</a>
%t A282549 terms = 17;
%t A282549 E2[x_] = 1 - 24*Sum[k*x^k/(1 - x^k), {k, 1, terms}];
%t A282549 E4[x_] = 1 + 240*Sum[k^3*x^k/(1 - x^k), {k, 1, terms}];
%t A282549 E2[x]*E4[x]^3 + O[x]^terms // CoefficientList[#, x]& (* _Jean-François Alcover_, Feb 27 2018 *)
%Y A282549 Cf. A282019 (E_2*E_4), A282101 (E_2*E_4^2), this sequence (E_2*E_4^3), A282546 (E_2*E_4^4).
%K A282549 sign
%O A282549 0,2
%A A282549 _Seiichi Manyama_, Feb 18 2017