a(n) is the largest base-8 string such that the n-th number coprime to 8 does not divide any substring of a(n).

A114910

a(n) is the largest base-8 string such that the n-th number coprime to 8 does not divide any substring of a(n).

Terms

    a(0) =75a(1) =7773a(2) =666666a(3) =76764321a(4) =7777777112a(5) =777677767456

External references