1020201

Appears in sequences

• a(1) = 1, a(n) = smallest palindrome not included earlier such that a(1)+...+a(n) is a palindrome.at n=47A073880
• p(p^2-p+1) as p runs through the primes.at n=25A083558
• Triangle read by rows in which row n gives n smallest n-digit multiples of n that are palindromes.at n=25A084024
• Base 2i representation of negative integers.at n=38A212542
• Palindromes p = A002113(n) whose index n is a substring of p.at n=20A248753
• Smallest palindrome of each distinct decimal type (A002113) in increasing order.at n=22A264406