Record number of steps to reach 1 in '3x+1' problem, corresponding to starting values in A006877 (same as A006878 except here we start counting at 1 instead of 0).

A033492

Record number of steps to reach 1 in '3x+1' problem, corresponding to starting values in A006877 (same as A006878 except here we start counting at 1 instead of 0).

Terms

    a(0) =1a(1) =2a(2) =8a(3) =9a(4) =17a(5) =20a(6) =21a(7) =24a(8) =112a(9) =113a(10) =116a(11) =119a(12) =122a(13) =125a(14) =128a(15) =131a(16) =144a(17) =145a(18) =171a(19) =179a(20) =182a(21) =183a(22) =209a(23) =217a(24) =238a(25) =262a(26) =268a(27) =276a(28) =279a(29) =282

External references