a(1) = 1; a(n) for n > 1 is the smallest multiple of a(n-1) that begins with n concatenations of n.
A078398
a(1) = 1; a(n) for n > 1 is the smallest multiple of a(n-1) that begins with n concatenations of n.
Terms
- a(0) =1a(1) =22a(2) =33308a(3) =444428644
External references
- oeis: A078398