I think you are right. Could you show

来源: 于 2009-12-02 07:02:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

how to get it? The estimate I got was wrong. If e^(1/e) is the maximum point for x^x^x... to have a finite value, then e should be the maximum value for x^x^x... . Therefore, 4 is not the solution.