a(n) is the largest base-4 string such that the n-th number coprime to 4 does not divide any substring of a(n).

A114942

a(n) is the largest base-4 string such that the n-th number coprime to 4 does not divide any substring of a(n).

Terms

    a(0) =22a(1) =3232a(2) =312311a(3) =33233233a(4) =3332113312a(5) =332121111132

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