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

A343724

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

Terms

    a(0) =0a(1) =64a(2) =400a(3) =4624a(4) =26244a(5) =228484a(6) =2022084a(7) =20268004a(8) =202208400a(9) =2006860804a(10) =20220840000a(11) =200084446864

External references