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

A037503

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

Terms

    a(0) =1a(1) =10a(2) =102a(3) =1021a(4) =10210a(5) =102102a(6) =1021021a(7) =10210210a(8) =102102102a(9) =1021021021a(10) =10210210210a(11) =102102102102

External references