Least positive multiple of n written in base 7 using only 0 and 1.

Terms

a(0) =1a(1) =11a(2) =111a(3) =11a(4) =101a(5) =111111a(6) =10a(7) =11a(8) =1011a(9) =101a(10) =10011a(11) =111111a(12) =1011a(13) =110a(14) =11001a(15) =1111a(16) =100111a(17) =1101111a(18) =111a(19) =1111a(20) =1110a(21) =11101a(22) =101011a(23) =111111a(24) =101a(25) =111001a(26) =1011a(27) =110a(28) =1111111a(29) =1011111