First position of A218860(n) in A066135.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =24a(5) =48a(6) =144a(7) =288a(8) =576a(9) =1152a(10) =2304a(11) =3456a(12) =4608a(13) =9216a(14) =11520a(15) =16128a(16) =18432a(17) =20736a(18) =25344a(19) =29952a(20) =36864a(21) =39168a(22) =43776a(23) =52992a(24) =59904a(25) =66816a(26) =85248a(27) =99072a(28) =108288