a(1)=2; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring.

A050631

a(1)=2; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring.

Terms

    a(0) =2a(1) =7a(2) =43a(3) =136a(4) =10158a(5) =85927342

External references