a(n) is the smallest m for which the decimal representation of 2^m contains n consecutive identical digits.
A045875
a(n) is the smallest m for which the decimal representation of 2^m contains n consecutive identical digits.
Terms
- a(0) =0a(1) =16a(2) =24a(3) =41a(4) =220a(5) =971a(6) =972a(7) =8554a(8) =42485a(9) =42486a(10) =271979a(11) =1039315a(12) =1727602a(13) =6855865a(14) =63416789a(15) =106892452a(16) =356677212
External references
- oeis: A045875