Exponent of least power of 2 having exactly n consecutive 8's in its decimal representation.
A131542
Exponent of least power of 2 having exactly n consecutive 8's in its decimal representation.
Terms
- a(0) =0a(1) =3a(2) =19a(3) =39a(4) =180a(5) =316a(6) =971a(7) =6836a(8) =25263a(9) =103825a(10) =279274a(11) =279268a(12) =1727604a(13) =18053496a(14) =8760852a(15) =106892453
External references
- oeis: A131542