%I #3 Mar 30 2012 18:50:29

%S 1,1,3,2,4,6,6,3,5,8,5,10,8,10,10,4,6,10,9,13,9,12,12,15,10,13,12,15,

%T 13,15,15,5,7,12,11,16,7,16,16,19,11,16,7,19,16,12,19,21,12,16,16,19,

%U 16,19,12,21,16,19,19,21,19,21,21,6,8,14,13,19,12,19,19,23,12,17,16,24

%N Number of distinct binary numbers contained as substrings in binary, circular formed representation of n and not longer than n.

%C For k>0: a(2^k-1)=k, a(2^k)=k+2;

%C for k>1: a(2^k+1)=a(3*2^(k-1))=k+2;

%C for k>0: a(2^k-1)=A078822(2^k-1), a(2^k)=A078822(2^k).

%Y Cf. A078825, A078822, A007088.

%K nonn,base

%O 0,3

%A _Reinhard Zumkeller_, Dec 08 2002