a(1) = 6, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1). Also a(n) is not divisible by 10.
A080450
a(1) = 6, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1). Also a(n) is not divisible by 10.
Terms
- a(0) =6a(1) =12a(2) =108a(3) =1188a(4) =10692a(5) =117612a(6) =1058508a(7) =11643588a(8) =104792292a(9) =1152715212a(10) =10374436908a(11) =114118805988
External references
- oeis: A080450