Smallest positive multiple of n whose base-7 representation contains only 0's and 1's.

Terms

a(0) =1a(1) =8a(2) =57a(3) =8a(4) =50a(5) =19608a(6) =7a(7) =8a(8) =351a(9) =50a(10) =2409a(11) =19608a(12) =351a(13) =56a(14) =2745a(15) =400a(16) =16864a(17) =134856a(18) =57a(19) =400a(20) =399a(21) =2794a(22) =17158a(23) =19608a(24) =50a(25) =19552a(26) =351a(27) =56a(28) =137257a(29) =120450