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Characteristic function of (A000201 prefixed with 0).
17

%I #20 Mar 24 2021 15:35:58

%S 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,

%T 0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,1,

%U 0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0

%N Characteristic function of (A000201 prefixed with 0).

%H Lord, E. A, Ranganathan, S. and Subramaniam, A., <a href="http://materials.iisc.ernet.in/~lord/webfiles/vop.pdf">Stacking sequences and symmetry properties of trigonal vacancy-ordered phases</a>, Phil. Mag. A 82 (2002) 255-268.

%H N. J. A. Sloane, <a href="/A115004/a115004.txt">Families of Essentially Identical Sequences</a>, Mar 24 2021 (Includes this sequence)

%H <a href="/index/Ch#char_fns">Index entries for characteristic functions</a>

%Y Essentially the same as A005614. Cf. A096270, A189479.

%Y The following sequences are all essentially the same, in the sense that they are simple transformations of each other, with A000201 as the parent: A000201, A001030, A001468, A001950, A003622, A003842, A003849, A004641, A005614, A014675, A022342, A088462, A096270, A114986, A124841. - _N. J. A. Sloane_, Mar 11 2021

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_, Feb 28 2006