

A226673


Conjectured recordbreaking numbers of odd elements, for ascending positive integers k, in primitive cycles of positive integers under iteration by the Collatzlike 3x+k function.


3



1, 17, 18, 26, 41, 56, 74, 80, 89, 115, 126, 142, 215, 220, 256, 311, 387, 1000, 1136, 1146, 2253, 2292, 2590, 2937, 4971, 5326, 7157, 8294, 9920, 18862, 20429, 24842, 31913
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