Total number of positive integers < 10^n with multiplicative digital root value 8.
A263475
Total number of positive integers < 10^n with multiplicative digital root value 8.
Terms
- a(0) =1a(1) =23a(2) =161a(3) =1050a(4) =5971a(5) =32658a(6) =187197a(7) =1057467a(8) =5495088a(9) =25862850a(10) =112452321a(11) =501114082a(12) =2867532188a(13) =21469965415a(14) =164448147485
External references
- oeis: A263475