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

A006884

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

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =15a(5) =27a(6) =255a(7) =447a(8) =639a(9) =703a(10) =1819a(11) =4255a(12) =4591a(13) =9663a(14) =20895a(15) =26623a(16) =31911a(17) =60975a(18) =77671a(19) =113383a(20) =138367a(21) =159487a(22) =270271a(23) =665215a(24) =704511a(25) =1042431a(26) =1212415a(27) =1441407a(28) =1875711a(29) =1988859

External references