On Mon, Jul 9, 2018 at 6:59 PM, J. Gareth Moreton
<gar...@moreton-family.com> wrote:

> out, not least because the answer will cause an overflow (e.g. the result of
> A(4,2) has almost 20,000 decimal digits and, naïvely, takes longer than the 
> age
> of the Universe to compute).

Ackerman(4,2) = (2^65536) - 3 (it's explained int the follow up
video), you can calculate that in less time than the age of the
universe ....

Bart
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