Concatenation of the numbers from 1 to n but omitting 9.
A262579
Concatenation of the numbers from 1 to n but omitting 9.
Terms
- a(0) =1a(1) =12a(2) =123a(3) =1234a(4) =12345a(5) =123456a(6) =1234567a(7) =12345678a(8) =1234567810a(9) =123456781011
External references
- oeis: A262579