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

A033146

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

Terms

    a(0) =1a(1) =10a(2) =100a(3) =1001a(4) =10010a(5) =100100a(6) =1001001a(7) =10010010a(8) =100100100a(9) =1001001001a(10) =10010010010a(11) =100100100100

External references