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 A067146 #8 Jan 06 2017 06:43:23
%S A067146 1,1,-1,4,-29,309,-4383,78121,-1684706,42801222,-1255919755,
%T A067146 41918624013,-1572257236114,65619165625383,-3022617826829288,
%U A067146 152615633802149416,-8397224009015443509,500957609480739613321
%N A067146 Shifts left under exponential reversion.
%C A067146 A signed version of A210949.
%H A067146 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%F A067146 E.g.f. satisfies A^(-1)(x) = A'(x) - 1.
%F A067146 a(n) = (-1)^n * Sum_{k=0..n-1} A277410(n,k), for n>1. - _Paul D. Hanna_, Jan 06 2017
%Y A067146 Cf. A210949, A277410.
%K A067146 sign,eigen
%O A067146 1,4
%A A067146 _Christian G. Bower_, Jan 03 2002