a(n) = number of steps before A055641(num(i)) = 0, when num(i) = num(i-1) + A055641(num(i-1)) and num(0) = 10^n, where A055641(n) is the number of zero digits in n.

A259497

a(n) = number of steps before A055641(num(i)) = 0, when num(i) = num(i-1) + A055641(num(i-1)) and num(0) = 10^n, where A055641(n) is the number of zero digits in n.

Terms

    a(0) =1a(1) =10a(2) =96a(3) =918a(4) =8778a(5) =83970a(6) =803652a(7) =7695702a(8) =73736351a(9) =706940003a(10) =6782083197a(11) =65107856455a(12) =625462980243

External references