1882881
domain: N
Appears in sequences
- a(1) = 9; a(n) = smallest palindromic multiple of a(n-1).at n=4A068668
- Duplicate of A068668.at n=4A070068
- a(1) = 9, a(n) = smallest nontrivial palindromic multiple of a(n-1). a(n) is not equal to a(n-1) or a concatenation of a(n-1) with itself.at n=4A083155
- Odd numbers k that have a divisor d such that sigma(d)*d is equal to k.at n=16A327599