Number of numbers below 10^n with nonzero multiplicative digital root 4.
A051824
Number of numbers below 10^n with nonzero multiplicative digital root 4.
Terms
- a(0) =1a(1) =13a(2) =118a(3) =898a(4) =6350a(5) =46329a(6) =382410a(7) =3645765a(8) =38163792a(9) =410943130a(10) =4368127170a(11) =45097983418a(12) =451960864264
External references
- oeis: A051824