a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks at least one of digits 1,2,3,4,5,6,7,8,9.
A125858
a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks at least one of digits 1,2,3,4,5,6,7,8,9.
Terms
- a(0) =10a(1) =100a(2) =1000a(3) =10000a(4) =100000a(5) =1000000a(6) =10000000a(7) =100000000a(8) =999637120a(9) =9980041600a(10) =99381289600a(11) =985729744000
External references
- oeis: A125858