a(0) = 1; a(n+1) = 10*a(n) + A010888(a(n)), where A010888 = digital root.

A375101

a(0) = 1; a(n+1) = 10*a(n) + A010888(a(n)), where A010888 = digital root.

Terms

    a(0) =1a(1) =11a(2) =112a(3) =1124a(4) =11248a(5) =112487a(6) =1124875a(7) =11248751a(8) =112487512a(9) =1124875124a(10) =11248751248a(11) =112487512487

External references