Number of numbers below 10^n with nonzero multiplicative digital root 2.

A051822

Number of numbers below 10^n with nonzero multiplicative digital root 2.

Terms

    a(0) =1a(1) =16a(2) =224a(3) =2613a(4) =27458a(5) =271155a(6) =2620040a(7) =25457267a(8) =251964768a(9) =2537869322a(10) =25777827199a(11) =261509437991

External references