a(1) = 3; for n>1, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).
A082778
a(1) = 3; for n>1, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).
Terms
- a(0) =3a(1) =33a(2) =363a(3) =36663a(4) =36699663
External references
- oeis: A082778