a(n) is the number of digits in the decimal representation of the smallest power of n that contains nine consecutive identical digits.

A217184

a(n) is the number of digits in the decimal representation of the smallest power of n that contains nine consecutive identical digits.

Terms

    a(0) =12790a(1) =10875a(2) =12790a(3) =1955a(4) =21569a(5) =28595a(6) =12790a(7) =21066a(8) =10a(9) =9834a(10) =12334a(11) =18560a(12) =18967a(13) =13242a(14) =12791a(15) =18446a(16) =7264a(17) =35928a(18) =12a(19) =3822a(20) =22467a(21) =19223a(22) =6279a(23) =1955a(24) =39245a(25) =10875a(26) =5231a(27) =15110a(28) =14a(29) =6051

External references