Number of numbers below 10^n with nonzero multiplicative digital root 3.

A051823

Number of numbers below 10^n with nonzero multiplicative digital root 3.

Terms

    a(0) =1a(1) =8a(2) =48a(3) =288a(4) =1736a(5) =10366a(6) =63911a(7) =435756a(8) =3703209a(9) =40131451a(10) =482893994a(11) =5700587521a(12) =63022146850a(13) =649554554509

External references