Least k such that 3^k has exactly n consecutive 8's in its decimal representation.
A131545
Least k such that 3^k has exactly n consecutive 8's in its decimal representation.
Terms
- a(0) =4a(1) =23a(2) =32a(3) =215a(4) =1261a(5) =538a(6) =4797a(7) =17612a(8) =32311a(9) =375482a(10) =512959a(11) =1847532a(12) =8295710a(13) =8885853a(14) =80798025
External references
- oeis: A131545