Search: id:A020987
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%I A020987
%S A020987 0,0,0,1,0,0,1,0,0,0,0,1,1,1,0,1,0,0,0,1,0,0,1,0,1,1,1,
%T A020987 0,0,0,1,0,0,0,0,1,0,0,1,0,0,0,0,1,1,1,0,1,1,1,1,0,1,1,
%U A020987 0,1,0,0,0,1,1,1,0,1,0,0,0,1,0,0,1,0,0,0,0,1,1,1,0,1,0
%N A020987 Golay-Rudin-Shapiro sequence.
%D A020987 J.-P. Allouche and J. Shallit, Automatic Sequences, Cambridge Univ. Press, 
               2003, p. 78.
%D A020987 J. Brillhart and P. Morton, A case study in mathematical research: the 
               Golay-Rudin-Shapiro sequence, Amer. Math. Monthly, 103 (1996) 854-869.
%D A020987 G. Everest, A. van der Poorten, I. Shparlinski and T. Ward, Recurrence 
               Sequences, Amer. Math. Soc., 2003; see esp. p. 255.
%D A020987 A. Hof, O. Knill and B. Simon, Singular continuous spectrum for palindromic 
               Schroedinger operators, Commun. Math. Phys. 174 (1995), 149-159.
%D A020987 H. Niederreiter and M. Vielhaber, Tree complexity and a doubly ..., J. 
               Complexity, 12 (1996), 187-198.
%H A020987 <a href="Sindx_Ch.html#char_fns">Index entries for characteristic functions</
               a>
%H A020987 Michael Gilleland, <a href="selfsimilar.html">Some Self-Similar Integer 
               Sequences</a>
%H A020987 L. Lipshitz and A. J. van der Poorten, <a href="http://www-centre.mpce.mq.edu.au/
               alfpapers/a084.pdf">Rational functions, diagonals, automata and arithmetic</
               a>
%Y A020987 Cf. A020985.
%Y A020987 A014081(n) mod 2. Characteristic function of A022155.
%Y A020987 Sequence in context: A060039 A107078 A163533 this_sequence A072786 A144597 
               A125117
%Y A020987 Adjacent sequences: A020984 A020985 A020986 this_sequence A020988 A020989 
               A020990
%K A020987 nonn,nice
%O A020987 0,1
%A A020987 N. J. A. Sloane (njas(AT)research.att.com).

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