A135587 - OEIS

%I #8 Aug 08 2015 23:49:22

%S 1,2,5,3,7,8,17,4,9,10,21,11,23,24,49,5,11,12,25,13,27,28,57,14,29,30,

%T 61,31,63,64,129,6,13,14,29,15,31,32,65,16,33,34,69,35,71,72,145,17,

%U 35,36,73,37,75,76,153,38,77,78,157,79,159,160,321,7,15,16,33,17,35,36,73

%N a(n) = A135586(2n).

%H R. Zumkeller, <a href="/A135587/b135587.txt">Table of n, a(n) for n = 1..5000</a>

%F a(2^k) = k+1; a(4*k+2) = a(4*k+1) + 1; a(4*k+3) = 2*a(4*k+2) + 1. - _Reinhard Zumkeller_, Mar 02 2008

%Y Cf. A135586.

%K nonn,easy,look

%O 1,2

%A _Don Knuth_, Mar 01 2008

%E More terms from _Reinhard Zumkeller_, Mar 02 2008