Palindromes a(n) = (10^n + 1)*(10^(n+1) + 1).

A319667

Palindromes a(n) = (10^n + 1)*(10^(n+1) + 1).

Terms

    a(0) =22a(1) =1111a(2) =101101a(3) =10011001a(4) =1000110001a(5) =100001100001

External references