Smallest number whose square starts and ends with (at least) n identical digits.

A174499

Smallest number whose square starts and ends with (at least) n identical digits.

Terms

    a(0) =1a(1) =88a(2) =10538a(3) =235700a(4) =10541000a(5) =57735000a(6) =7453560000a(7) =14907120000

External references