Edwin, this new regina file analysis tool is very powerful !

Thank you very much for all this work !

I still have some suggestions to improve it a bit, if in the next times you work on this program again :

1) In the advanced search, would it be possible to add a query "Range for number of iterations (min max) :" ?

2) Unless I'm mistaken, there are only two types of searches I can't do with this wonderful program (The equivalent of ##p, but for open end sequences and for sequences that end in cycles) :

I) Search for the number or list of sequences that merge with, for example, 276 or another open end sequence.

II) Search for the number or list of sequences that arrive on a perfect number, and on another cycle. This is much more difficult, even impossible, because to enter for example a cycle of length 4, there are 4 possible entry doors

__and__ there are many different cycles 4 !

Maybe I will find other things to add to the program when I start to analyze the data very seriously in a few months, when the regina file will have 20 M sequences or more !

But for the moment, this is all I see...

Congratulations, once again for the ease of use of this program and for the possibilities it offers !