%I #8 Aug 14 2013 17:07:17
%S 0,0,2,1,3,3,4,2,4,4,4,5,6,6,6,3,5,5,5,6,6,5,7,7,8,8,8,8,9,9,8,4,6,6,
%T 6,7,6,7,8,8,8,8,6,8,10,9,10,9,10,10,10,10,11,10,10,11,12,12,12,12,12,
%U 12,10,5,7,7,7,8,7,8,9,9,8,7,9,10,10,11,11,10,10,10,10,11,9,7,11,11,13,13
%N a(n) = A078822(n) - 1.
%C Number of distinct binary numbers contained as proper substrings in the binary representation of n.
%H Reinhard Zumkeller, <a href="/A144623/b144623.txt">Table of n, a(n) for n = 0..10000</a>
%o (Haskell)
%o a144623 = (subtract 1) . a078822 -- _Reinhard Zumkeller_, Aug 14 2013
%K nonn
%O 0,3
%A _N. J. A. Sloane_, Jan 18 2009
%E Extended by _Ray Chandler_, Mar 13 2010
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