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Old 2020-08-04, 11:35   #385
Happy5214
 
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"Alexander"
Nov 2008
The Alamo City

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I've verified this conjecture up to 3^468. 797161 (2*398581-1) also appears in index 1 of all of the sequences I tested with that starting value form. Did you find that in the ones you tested?

Last fiddled with by Happy5214 on 2020-08-04 at 11:38
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