Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,3.

A037581

Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,3.

Terms

    a(0) =1a(1) =12a(2) =109a(3) =984a(4) =8857a(5) =79716a(6) =717445a(7) =6457008a(8) =58113073a(9) =523017660a(10) =4707158941a(11) =42364430472a(12) =381279874249

External references