OFFSET
1,2
COMMENTS
See A202322 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
FORMULA
Equals A202357 + 1. - Vaclav Kotesovec, Jan 31 2015
EXAMPLE
x=1.2784645427610737951093587390229801554394...
MATHEMATICA
u = 1; v = -1;
f[x_] := u*x + v; g[x_] := E^-x
Plot[{f[x], g[x]}, {x, 0, 2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.2, 1.3}, WorkingPrecision -> 110]
RealDigits[r] (* A202355 *)
(* other program *)
RealDigits[1 + ProductLog[1/E], 10, 99] // First (* Jean-François Alcover, Feb 14 2013 *)
PROG
(PARI) 1 + lambertw(exp(-1)) \\ G. C. Greubel, Jun 10 2017
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Dec 18 2011
STATUS
approved