a(1)=1; thereafter a(n) = smallest number m such that a(n-1)+m = (a(n-1) followed by the leading digit of m).

A224752

a(1)=1; thereafter a(n) = smallest number m such that a(n-1)+m = (a(n-1) followed by the leading digit of m).

Terms

    a(0) =1a(1) =10a(2) =99a(3) =899a(4) =8099a(5) =72898a(6) =656088a(7) =5904797a(8) =53143178a(9) =478288606a(10) =4304597458a(11) =38741377125a(12) =348672394128

External references