%I A114986
%S A114986 1,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,1,0,
%T A114986 1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,1,0,1,
%U A114986 0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0
%N A114986 Characteristic function of (A000201 prefixed with 0).
%H A114986 <a href="Sindx_Ch.html#char_fns">Index entries for characteristic functions</
               a>
%H A114986 Lord, E. A, Ranganathan, S. and Subramaniam, A., <a href="http://www.geo.arizona.edu/
               xtal//group/pdf/acB57766.pdf">Stacking sequences and symmetry properties 
               of trigonal vacancy-ordered phases</a>, Phil. Mag. A 82 (2002) 255-268. 
               [Broken link]
%Y A114986 Essentially the same as A005614. Cf. A096270.
%Y A114986 Sequence in context: A014807 A014366 A014723 this_sequence A014282 A014555 
               A145575
%Y A114986 Adjacent sequences: A114983 A114984 A114985 this_sequence A114987 A114988 
               A114989
%K A114986 nonn
%O A114986 0,1
%A A114986 N. J. A. Sloane (njas(AT)research.att.com), Feb 28 2006