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%I #6 Oct 08 2021 03:46:35
%S 1,-3,5,-68,204,-1394,16862,-413776,2377512,-35594832,558727872,
%T -8067263280,185546362416,-4108304962176,82441247589360,
%U -3519099528152064,50908186083448320,-1465023121035418368,38998680958184088960,-1219845314470474404864,36452994894649858339584
%N Product_{n>=1} 1 / (1 - a(n)*x^n/n!) = 1 + log(1 + x).
%F Product_{n>=1} 1 / (1 - a(n)*x^n/n!) = 1 - Sum_{n>=1} (-x)^n/n.
%Y Cf. A006973, A137852, A157159, A157164, A348206, A348207.
%K sign
%O 1,2
%A _Ilya Gutkovskiy_, Oct 06 2021