Total number of n-digit positive integers with multiplicative digital root value 2.
A263477
Total number of n-digit positive integers with multiplicative digital root value 2.
Terms
- a(0) =1a(1) =8a(2) =68a(3) =466a(4) =2670a(5) =13460a(6) =69420a(7) =417722a(8) =3025242a(9) =21873040a(10) =136901413a(11) =722201372a(12) =3271729383a(13) =13114173697a(14) =48104723380a(15) =167526488628a(16) =574289772576
External references
- oeis: A263477