a(n+1) is next smallest nontrivial square containing a(n) as a substring, initial term is 9.

A050632

a(n+1) is next smallest nontrivial square containing a(n) as a substring, initial term is 9.

Terms

    a(0) =9a(1) =49a(2) =1849a(3) =18496a(4) =103184964

External references