User blog comment:WaxPlanck/The March Towards G1/@comment-39541634-20190803214516/@comment-39541634-20190804180542

WaxPlank gave a link to a PARI program that does continuous tetration, pentation and hexation:

https://math.eretrandre.org/tetrationforum/attachment.php?aid=1381

I have absolutely no idea how it works, I just copied the source code to a PARI interperter and plugged in the numbers. :-)