David Cantrell wrote: << [I wrote:]

In any case:

1. Is it possible that this limit L of towers of exponentiated i's can be identified as some familiar number?

Isn't it just 2 i/pi W(-i pi/2) where W denotes the principal branch of the Lambert W function?

...

I suppose, but I don't believe in the Lambert W function (:-)>. (What I mean is, it adds no new information, as far as I'm concerned.) --Dan