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 A201742 #8 Feb 07 2025 16:44:07
%S A201742 1,8,7,3,1,2,2,5,4,7,7,1,3,0,4,3,3,2,1,7,2,0,5,9,7,0,9,6,7,5,4,2,5,7,
%T A201742 1,0,4,0,8,3,5,2,7,4,0,2,6,5,0,3,9,2,5,1,4,2,8,0,1,7,1,8,7,2,9,4,1,3,
%U A201742 2,0,4,2,4,5,8,0,2,0,6,1,7,4,9,3,7,4,7,9,3,8,4,6,4,8,1,6,7,3,7
%N A201742 Decimal expansion of the number x satisfying x^2+3=e^x.
%C A201742 See A201741 for a guide to related sequences. The Mathematica program includes a graph.
%H A201742 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A201742 x=1.87312254771304332172059709675425710408...
%t A201742 a = 1; b = 0; c = 3;
%t A201742 f[x_] := a*x^2 + b*x + c; g[x_] := E^x
%t A201742 Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
%t A201742 r = x /. FindRoot[f[x] == g[x], {x, 1.8, 1.9}, WorkingPrecision -> 110]
%t A201742 RealDigits[r] (* A201742 *)
%Y A201742 Cf. A201741.
%K A201742 nonn,cons
%O A201742 1,2
%A A201742 _Clark Kimberling_, Dec 04 2011