0,1

This is the imaginary part of e^(i*e^(i*e^(i...))).

Table of n, a(n) for n=0..104.

Eric Weisstein's World of Mathematics, Lambert W-Function

Wikipedia, Lambert W function

Equals Im(i*LambertW(-i)). - Alois P. Heinz, May 27 2018

0.3746990207371174936059784287597208075128...

Cf. A305200.

Sequence in context: A199733 A193625 A198886 * A340013 A192265 A274511

Adjacent sequences: A305199 A305200 A305201 * A305203 A305204 A305205

nonn,cons

Keerthi Vasan Gopala, May 27 2018

More digits from Alois P. Heinz, May 27 2018

approved