10033001domain: NAppears in sequencesa(1) = 1, a(n) = smallest palindrome not included earlier such that a(1)+...+a(n) is a palindrome.at n=52A073880Triangle read by rows in which row n gives n smallest palindromic numbers of n digits each.at n=31A081930Smallest n-digit palindrome with a digit sum of n.at n=7A083440