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

A037645

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

Terms

    a(0) =2a(1) =23a(2) =231a(3) =2312a(4) =23123a(5) =231231a(6) =2312312a(7) =23123123a(8) =231231231a(9) =2312312312a(10) =23123123123a(11) =231231231231

External references