Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 2,0,3,1.
A037729
Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 2,0,3,1.
Terms
- a(0) =2a(1) =20a(2) =203a(3) =2031a(4) =20312a(5) =203120a(6) =2031203a(7) =20312031a(8) =203120312a(9) =2031203120a(10) =20312031203a(11) =203120312031
External references
- oeis: A037729