The least k such that each possible decimal digit string of length n occurs in some 2^i for 0 <= i <= k.
A390274
The least k such that each possible decimal digit string of length n occurs in some 2^i for 0 <= i <= k.
Terms
- a(0) =15a(1) =66a(2) =242a(3) =809a(4) =2750a(5) =9112a(6) =32804a(7) =114715a(8) =369483a(9) =1267123
External references
- oeis: A390274