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 A285310 #11 Apr 20 2017 08:51:17
%S A285310 1,0,-2,0,3,-5,-4,10,-3,-15,25,9,-47,37,55,-118,28,182,-231,-88,484,
%T A285310 -351,-474,1047,-306,-1479,1985,370,-3657,3120,2757,-7868,3686,8889,
%U A285310 -14950,1255,22540,-25069,-9557,49333,-35638,-40172,96943,-37509,-111145,172256
%N A285310 Expansion of Product_{k>=0} 1/(1 + x^(3*k+2))^(3*k+2).
%H A285310 Seiichi Manyama, <a href="/A285310/b285310.txt">Table of n, a(n) for n = 0..10000</a>
%Y A285310 Product_{k>=0} 1/(1 + x^(m*k+m-1))^(m*k+m-1): A284628 (m=2), this sequence (m=3), A285311 (m=4).
%K A285310 sign
%O A285310 0,3
%A A285310 _Seiichi Manyama_, Apr 16 2017