%I A014550
%S A014550 0,1,11,10,110,111,101,100,1100,1101,1111,1110,1010,1011,1001,1000,
%T A014550 11000,11001,11011,11010,11110,11111,11101,11100,10100,10101,10111,
%U A014550 10110,10010,10011,10001,10000,110000,110001,110011,110010,110110
%N A014550 Binary reflected Gray code.
%D A014550 Gardner, M. ``The Binary Gray Code.'' Ch. 2 in Knotted Doughnuts and 
               Other Mathematical Entertainments. New York: W. H. Freeman, 1986.
%D A014550 C. A. Pickover, The Math Book, Sterling, NY, 2009; see p. 392.
%H A014550 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               GrayCode.html">Link to a section of The World of Mathematics.</a>
%p A014550 a:= proc(n) option remember; local b; if n<=1 then n else b:= floor (simplify 
               (log[2](n))); 10^b+ a(2^(b+1) -1-n) fi end: seq (a(n), n=0..50); 
               [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Nov 01 2008]
%Y A014550 Same sequence in decimal: A003188.
%Y A014550 Sequence in context: A077326 A106411 A105028 this_sequence A070836 A063432 
               A038324
%Y A014550 Adjacent sequences: A014547 A014548 A014549 this_sequence A014551 A014552 
               A014553
%K A014550 nonn,nice,easy
%O A014550 0,3
%A A014550 Eric Weisstein (eric(AT)weisstein.com)
%E A014550 More terms from Larry Reeves (Larryr(AT)acm.org), Sep 05 2000