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Brjuno number in Pari-GP - Printable Version

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Brjuno number in Pari-GP - Ember Edison - 10/24/2021

In folklore, Brjuno number period Shell-Thron-region base tetration is one of the most difficult tetration.

https://math.eretrandre.org/tetrationforum/showthread.php?tid=1232&pid=9043#pid9043

I found a Brjuno number implementation that is written in Maxima CAS. But I don't know Maxima CAS at all.
Can anyone rewrite it for Pari-GP?
https://commons.wikimedia.org/wiki/File:Brjuno_function.png?veaction=editsource§ion=3


RE: Brjuno number in Pari-GP - Ember Edison - 10/24/2021

Oh, and I have a paper on Complex Brjuno functions for reference

https://arxiv.org/abs/math/9912018