I think a lot of you bois know that TREE(3) is a very, very big number. But what about TREE(2.5)? Or TREE(π)? What about TREE(-3)? What about TREE(i) or TREE(3 + 9i)? I know you can't plant -2 + -4.9i seeds, but using the fast-growing hierarchy (TREE'S FGH is bigger than

$ f_{\vartheta(\Omega^\omega\omega)}(n) $ ). What would happen with the number in the cases I listed?

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