First occurrence of n consecutive numbers that take same number of steps to reach 1 in 3x+1 problem.

A000546

First occurrence of n consecutive numbers that take same number of steps to reach 1 in 3x+1 problem.

Terms

    a(0) =1a(1) =12a(2) =28a(3) =314a(4) =98a(5) =386a(6) =943a(7) =1494a(8) =1680a(9) =4722a(10) =6576a(11) =11696a(12) =3982a(13) =2987a(14) =17548a(15) =36208a(16) =7083a(17) =59692a(18) =159116a(19) =79592a(20) =57857a(21) =212160a(22) =352258a(23) =221185a(24) =57346a(25) =294913a(26) =252548a(27) =530052a(28) =331778a(29) =524289

External references