Records in the trajectory of all positive integers in the 3x+1 or Collatz problem, including the trajectory [1, 4, 2, 1] of 1.

A347652

Records in the trajectory of all positive integers in the 3x+1 or Collatz problem, including the trajectory [1, 4, 2, 1] of 1.

Terms

    a(0) =1a(1) =4a(2) =10a(3) =16a(4) =22a(5) =34a(6) =52a(7) =70a(8) =106a(9) =160a(10) =214a(11) =322a(12) =484a(13) =700a(14) =790a(15) =1186a(16) =1780a(17) =2158a(18) =3238a(19) =4858a(20) =7288a(21) =9232a(22) =13120a(23) =17224a(24) =17494a(25) =26242a(26) =39364a(27) =41524a(28) =45682a(29) =68524

External references