Total number of positive integers < 10^n with multiplicative digital root value 0.

A263470

Total number of positive integers < 10^n with multiplicative digital root value 0.

Terms

    a(0) =0a(1) =24a(2) =476a(3) =6739a(4) =82401a(5) =902608a(6) =9394517a(7) =96122290a(8) =975700392a(9) =9854082822a(10) =99180099587a(11) =995679223590

External references