a(n) is the number of digits in the decimal representation of the smallest power of 6 that contains n consecutive identical digits.
A217188
a(n) is the number of digits in the decimal representation of the smallest power of 6 that contains n consecutive identical digits.
Terms
- a(0) =1a(1) =4a(2) =4a(3) =90a(4) =176a(5) =289a(6) =1170a(7) =6640a(8) =21569a(9) =21569a(10) =54421
External references
- oeis: A217188