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

A037778

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

Terms

    a(0) =3a(1) =31a(2) =310a(3) =3102a(4) =31023a(5) =310231a(6) =3102310a(7) =31023102a(8) =310231023a(9) =3102310231a(10) =31023102310a(11) =310231023102

External references