a(n) is the sum of the digits of the squares of all n-digit numbers.

A333034

a(n) is the sum of the digits of the squares of all n-digit numbers.

Terms

    a(0) =69a(1) =1410a(2) =21921a(3) =298725a(4) =3792660a(5) =46016727a(6) =541129686a(7) =6221175405a(8) =70311424443a(9) =784112741880

External references