a(n) is the number of digits in the decimal representation of the smallest power of n that contains eight consecutive identical digits.
A217183
a(n) is the number of digits in the decimal representation of the smallest power of n that contains eight consecutive identical digits.
Terms
- a(0) =2576a(1) =3684a(2) =2576a(3) =1951a(4) =6640a(5) =5220a(6) =4012a(7) =3684a(8) =9a(9) =3107a(10) =2623a(11) =6107a(12) =1207a(13) =5916a(14) =4217a(15) =7114a(16) =4999a(17) =6018a(18) =11a(19) =3396a(20) =6511a(21) =3732a(22) =6279a(23) =1951a(24) =990a(25) =4237a(26) =3877a(27) =4676a(28) =12a(29) =6051
External references
- oeis: A217183