a(2)=9; thereafter a(n) = smallest number m such that a(n-1)+m = (a(n-1) followed by the leading digit of m).

A224760

a(2)=9; 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) =9a(1) =89a(2) =809a(3) =7288a(4) =65598a(5) =590387a(6) =5313488a(7) =47821396a(8) =430392568a(9) =3873533115a(10) =34861798038a(11) =313756182345

External references