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 A294257 #10 Oct 27 2017 04:08:04
%S A294257 1,-1,-1,5,1,199,-1409,-4579,25985,23759,13872511,-129511691,
%T A294257 -1050605951,4703204375,33833371391,6781977225869,-71864943455999,
%U A294257 -926469142419809,-2738986440688385,11032808190085349,16738876153047304961,-146356319119622810521
%N A294257 E.g.f.: exp((1-x)*(1-x^2)*(1-x^3)*(1-x^4) - 1).
%H A294257 Seiichi Manyama, <a href="/A294257/b294257.txt">Table of n, a(n) for n = 0..467</a>
%o A294257 (PARI) N=66; x='x+O('x^N); Vec(serlaplace(exp((1-x)*(1-x^2)*(1-x^3)*(1-x^4)-1)))
%Y A294257 Column k=4 of A294254.
%K A294257 sign
%O A294257 0,4
%A A294257 _Seiichi Manyama_, Oct 26 2017