a(n) = A088780(n+1)/A088780(n).A088779a(n) = A088780(n+1)/A088780(n).Terms a(0) =11a(1) =91a(2) =101a(3) =9901a(4) =10001a(5) =999001a(6) =99990001a(7) =10000000001External referencesoeis: A088779