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 A348206 #6 Oct 08 2021 03:46:29
%S A348206 1,-1,5,-26,204,-1434,16862,-166536,2377512,-29870400,558727872,
%T A348206 -8542202976,185546362416,-3332732184768,82441247589360,
%U A348206 -1824937537167744,50908186083448320,-1214743725939310848,38998680958184088960,-1084067907183602910720,36452994894649858339584
%N A348206 Product_{n>=1} (1 + a(n)*x^n/n!) = 1 + log(1 + x).
%F A348206 Product_{n>=1} (1 + a(n)*x^n/n!) = 1 - Sum_{n>=1} (-x)^n/n.
%Y A348206 Cf. A006973, A137852, A157159, A157164, A348205, A348207.
%K A348206 sign
%O A348206 1,3
%A A348206 _Ilya Gutkovskiy_, Oct 06 2021