OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Lambert W-Function.
Wikipedia, Lambert W function.
FORMULA
Equals 1/A202495.
Equals 2*Pi/LambertW(2*Pi). - Alois P. Heinz, Feb 26 2020
EXAMPLE
4.3045303245174394156571018783220431826714954589838...
MAPLE
evalf(2*Pi/LambertW(2*Pi), 145); # Alois P. Heinz, Feb 26 2020
MATHEMATICA
RealDigits[(2*Pi)/ProductLog[2*Pi], 10, 120][[1]] (* Amiram Eldar, May 31 2023 *)
PROG
(PARI) 2*Pi/lambertw(2*Pi) \\ Michel Marcus, Feb 27 2020
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Tim Warriner, Feb 26 2020
STATUS
approved