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E.g.f.: Product_{k>0} (1-x^k/k!)^k.
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%I #10 Nov 01 2017 13:30:55

%S 1,-1,-2,3,14,45,-156,-1225,-3396,-105,226760,1175229,4084200,

%T -35683219,-585896962,-3512021955,-14398868176,198247498911,

%U 3131185307832,29821940715413,122481857683680,-1187008881417051,-31616420134183522,-419944298964036771

%N E.g.f.: Product_{k>0} (1-x^k/k!)^k.

%H Seiichi Manyama, <a href="/A294495/b294495.txt">Table of n, a(n) for n = 0..470</a>

%o (PARI) N=66; x='x+O('x^N); Vec(serlaplace(prod(k=1, N, (1-x^k/k!)^k)))

%Y Cf. A185895.

%Y Cf. A032315, A174661, A294494.

%K sign

%O 0,3

%A _Seiichi Manyama_, Nov 01 2017