%I #3 Mar 30 2012 18:50:42

%S 0,0,0,1,0,1,0,2,0,2,0,3,0,1,1,3,0,3,0,3,1,2,0,5,0,1,1,3,0,4,0,4,0,2,

%T 0,6,0,2,1,5,0,4,0,3,2,2,0,7,0,3,1,3,0,5,1,5,1,1,0,7,0,1,2,5,0,4,0,4,

%U 0,4,0,8,0,2,1,4,0,5,0,7,1,2,0,7,1,2,1,5,0,6,0,3,1,2,1,9,0,2,1,5,0,5

%N Number of divisors >1 of n that are prefixes of other divisors of n in binary representation.

%C a(n) = A090329(n) - 1.

%Y Cf. A090332, A090334, A090331.

%K nonn

%O 1,8

%A _Reinhard Zumkeller_, Nov 26 2003