Least k such that 2^k has at least n consecutive 2's in its decimal representation.
A259089
Least k such that 2^k has at least n consecutive 2's in its decimal representation.
Terms
- a(0) =0a(1) =1a(2) =43a(3) =43a(4) =314a(5) =314a(6) =2354a(7) =8555a(8) =13326a(9) =81784a(10) =279272a(11) =865356a(12) =1727602a(13) =1727602
External references
- oeis: A259089