a(1) =6, a(n) = smallest multiple of a(n-1) (not equal to 10^k*a(n-1)) obtained by inserting digits anywhere in a(n-1).
A080491
a(1) =6, a(n) = smallest multiple of a(n-1) (not equal to 10^k*a(n-1)) obtained by inserting digits anywhere in a(n-1).
Terms
- a(0) =6a(1) =36a(2) =396a(3) =30096a(4) =30126096a(5) =301291086096
External references
- oeis: A080491