Number of n-digit numbers with nonzero multiplicative digital root 1.

A051812

Number of n-digit numbers with nonzero multiplicative digital root 1.

Terms

    a(0) =1a(1) =5a(2) =24a(3) =243a(4) =3048a(5) =35224a(6) =374890a(7) =3766188a(8) =36537927a(9) =348892847a(10) =3315037530a(11) =31399344551a(12) =295789894509

External references