What is the first input for which the Busy Beaver function exceeds the Ackermann function? | Manifold

What is the first input for which the Busy Beaver function exceeds the Ackermann function?

Basic

6

Ṁ424

2048

7.6

expected

1D

1W

1M

ALL

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See BusyBeaver(6) is really quite large (Scott Aaronson, 2025) (https://scottaaronson.blog/?p=8972)

Related: BB(3,4) > ACK(14).

https://www.sligocki.com/2024/05/22/bb-3-4-a14.html

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