%I #16 Aug 03 2023 10:29:13
%S 0,0,0,0,0,0,1,0,0,0,0,1,1,0,0,0,1,0,1,0,0,0,1,1,1,0,0,1,0,0,1,0,1,1,
%T 0,0,1,1,0,1,0,0,1,1,1,1,0,1,0,1,0,1,1,1,0,1,1,0,1,1,1,1,1,1,0,0,0,0,
%U 0,0,1,0,0,0,0,1,1,0,0,0,1,0,1,0,0,0,1,1,1,0,0,1,0,0,1,0,1,1,0
%N Lexicographically earliest de Bruijn sequence for n = 6 and k = 2.
%H Ray Chandler, <a href="/A169671/b169671.txt">Table of n, a(n) for n = 0..1023</a>
%H Frank Ruskey, <a href="http://combos.org/necklace">Generate Necklaces</a>
%H <a href="/index/Rec#order_63">Index entries for linear recurrences with constant coefficients</a>, signature (1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1).
%e Periodic with period 64, the period being:
%e 0000001000011000101000111001001011001101001111010101110110111111.
%Y Cf. A021913, A169675, A080679, A169672, A169671, A169673, A169674.
%Y See A058342 for another version.
%K nonn
%O 0,1
%A _N. J. A. Sloane_, Apr 11 2010
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