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A276665 In the '3x+1' problem, these values for the starting value set new records for both the number of steps and the highest point of trajectory before reaching 1. 1

%I #14 Nov 09 2016 12:17:04

%S 1,2,3,7,27,703,26623

%N In the '3x+1' problem, these values for the starting value set new records for both the number of steps and the highest point of trajectory before reaching 1.

%C Both the 3x+1 steps and the halving steps are counted.

%H José Eduardo Gaboardi de Carvalho, <a href="/A276665/a276665.txt">Java program</a>

%Y Intersection of A006877 and A006884.

%K nonn,more

%O 1,2

%A _José Eduardo Gaboardi de Carvalho_, Sep 12 2016

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)