Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 1,2,3,0.

A037701

Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 1,2,3,0.

Terms

    a(0) =1a(1) =12a(2) =123a(3) =1230a(4) =12301a(5) =123012a(6) =1230123a(7) =12301230a(8) =123012301a(9) =1230123012a(10) =12301230123a(11) =123012301230

External references