

A226681


Conjectured recordbreaking maximal values, for ascending positive integers k, of the minimal elements of the primitive cycles of positive integers under iteration by the Collatzlike 3xk function.


3



17, 19, 73, 115, 4819, 16099, 61555, 1457663, 3735185, 17904629, 21111517, 29931557, 222264329
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OFFSET

1,1


COMMENTS

A cycle is called primitive if its elements are not a common multiple of the elements of another cycle.
The 3xk function T_k is defined by T_k(x) = x/2 if x is even, (3xk)/2 if x is odd.
For primitive cycles, GCD(k,6)=1.


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CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



