Wikipedia says it (roughly) converges if e^(−e) ≤ x ≤ e^(1/e) http://en.wikipedia.org/wiki/Tetration#Extension_to_infinite_heights http://en.wikipedia.org/wiki

Wikipedia says it (roughly) converges if e^(−e) ≤ x ≤ e^(1/e) http://en.wikipedia.org/wiki/Tetration#Extension_to_infinite_heights http://en.wikipedia.org/wiki/Tetration#Extension_to_infinite...