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A Catalan question
https://cameroncounts.wordpress.com/2025/07/09/a-catalan-question/
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events
open problems
doing mathematics
permutation patterns
catalan numbers
fraisse classes
This week I am nominally at the Permutation Patterns conference. I find myself on the edge of the (very strong) community of Permutation Patterners; also, after a month away, I have lots of catching up to do; also, Bruce Sagan … Continue reading →
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