Least positive multiple of n which when written in base 10 is either a repunit or of the form 111...000.

A244859

Least positive multiple of n which when written in base 10 is either a repunit or of the form 111...000.

Terms

    a(0) =0a(1) =1a(2) =10a(3) =111a(4) =100a(5) =10a(6) =1110a(7) =111111a(8) =1000a(9) =111111111a(10) =10a(11) =11a(12) =11100a(13) =111111a(14) =1111110a(15) =1110a(16) =10000a(18) =1111111110a(20) =100a(21) =111111a(22) =110a(24) =111000a(25) =100a(26) =1111110a(28) =11111100

External references