a(1) = 7; a(n) = smallest palindromic multiple of a(n-1).

A068667

a(1) = 7; a(n) = smallest palindromic multiple of a(n-1).

Terms

    a(0) =7a(1) =77a(2) =616a(3) =6776a(4) =88088a(5) =616616a(6) =232464232a(7) =21154245112a(8) =232696696232

External references