a(n) is the largest n-digit square with all digits even.

A343725

a(n) is the largest n-digit square with all digits even.

Terms

    a(0) =4a(1) =64a(2) =484a(3) =8464a(4) =88804a(5) =868624a(6) =8880400a(7) =86862400a(8) =888040000a(9) =8880800644a(10) =88864802404a(11) =888868068804

External references