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

A037715

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

Terms

    a(0) =1a(1) =13a(2) =132a(3) =1320a(4) =13201a(5) =132013a(6) =1320132a(7) =13201320a(8) =132013201a(9) =1320132013a(10) =13201320132a(11) =132013201320

External references