a(1) = 1, a(n) is the smallest multiple of n which is obtained by inserting/prefixing or suffixing at least one digit in a(n-1).

A078283

a(1) = 1, a(n) is the smallest multiple of n which is obtained by inserting/prefixing or suffixing at least one digit in a(n-1).

Terms

    a(0) =1a(1) =10a(2) =102a(3) =1012a(4) =10120a(5) =101202a(6) =1012025a(7) =10120256a(8) =101120256a(9) =1011202560a(10) =10112002560a(11) =100112002560

External references