3041127domain: NAppears in sequencesIn the '3x+1' problem, these values for the starting value set new records for highest point of trajectory before reaching 1.at n=32A006884'3x+1' record-setters (blowup factor).at n=17A025587Least number whose Collatz 3x+1 trajectory contains a number >= 2^n.at n=39A222292