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 A294495 #10 Nov 01 2017 13:30:55
%S A294495 1,-1,-2,3,14,45,-156,-1225,-3396,-105,226760,1175229,4084200,
%T A294495 -35683219,-585896962,-3512021955,-14398868176,198247498911,
%U A294495 3131185307832,29821940715413,122481857683680,-1187008881417051,-31616420134183522,-419944298964036771
%N A294495 E.g.f.: Product_{k>0} (1-x^k/k!)^k.
%H A294495 Seiichi Manyama, <a href="/A294495/b294495.txt">Table of n, a(n) for n = 0..470</a>
%o A294495 (PARI) N=66; x='x+O('x^N); Vec(serlaplace(prod(k=1, N, (1-x^k/k!)^k)))
%Y A294495 Cf. A185895.
%Y A294495 Cf. A032315, A174661, A294494.
%K A294495 sign
%O A294495 0,3
%A A294495 _Seiichi Manyama_, Nov 01 2017