Least number k > 0 such that 2^k contains an n-digit long substring of the infinite string "0123456789012345678901234567890123456....".

A243150

Least number k > 0 such that 2^k contains an n-digit long substring of the infinite string "0123456789012345678901234567890123456....".

Terms

    a(0) =1a(1) =7a(2) =28a(3) =106a(4) =391a(5) =992a(6) =1178a(7) =7255a(8) =15975a(9) =67143a(10) =333212a(11) =333212a(12) =1641257

External references