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 A289745 #25 Feb 27 2018 04:57:48
%S A289745 264,270864,15589728,277365792,2578126320,15995060928,74573467584,
%T A289745 284022573120,920557851048,2645157604320,6847480097568,16379004749184,
%U A289745 36394641851568,76512377741184,152243515448640,290839114879104,532222389723024,944492355175248
%N A289745 Coefficients in expansion of -q*E'_10 where E_10 is the Eisenstein Series (A013974).
%H A289745 Seiichi Manyama, <a href="/A289745/b289745.txt">Table of n, a(n) for n = 1..10000</a>
%F A289745 a(n) = 264*A282254(n) = 264*n*A013957(n).
%t A289745 Table[264*n*DivisorSigma[9, n], {n, 1, 18}] (* _Jean-François Alcover_, Feb 27 2018 *)
%o A289745 (PARI) a(n) = 264*n*sigma(n, 9); \\ _Michel Marcus_, Feb 27 2018
%Y A289745 (-1)^(k/2)*q*E'_{k}: A076835 (k=2), A145094 (k=4), A145095 (k=6), A289744 (k=8), this sequence (k=10), A289746 (k=14).
%Y A289745 Cf. A013957, A013974 (E_10), A282254, A289639.
%K A289745 nonn
%O A289745 1,1
%A A289745 _Seiichi Manyama_, Jul 11 2017