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Old 2019-01-25, 19:23   #4
R. Gerbicz
 
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"Robert Gerbicz"
Oct 2005
Hungary

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Quote:
Originally Posted by CRGreathouse View Post
I don't think any algorithm with reasonable time is known for leading digits of tetration.
(For definiton, see https://en.wikipedia.org/wiki/Tetration)
Here a=power of ten looks like easy.
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