Distinct Substrings In Binary n

[Leroy Quet]

--- Leroy Quet <q1qq2qqq3qqqq at yahoo.com> wrote:
>...
> For example:
> The distinct substrings in binary
> representation
> (1010) of decimal 10:
> 0,1,10,01,101,010,1010.
> So a(1) = 7.
> ...

Should be a(10) = 7.