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A191156 a(n) = [6*n*Pi] - 2*[3*n*Pi], where [ ]=floor. 3

%I

%S 0,1,0,1,0,1,1,0,1,0,1,0,1,1,0,1,0,1,0,0,1,0,1,0,1,0,0,1,0,1,0,1,0,0,

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

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

%N a(n) = [6*n*Pi] - 2*[3*n*Pi], where [ ]=floor.

%t f[n_] := Floor[6 n*Pi] - 2*Floor[3 n*Pi];

%t t = Table[f[n], {n, 1, 220}] (* A191156 *)

%t Flatten[Position[t, 0]] (* A191160 *)

%t Flatten[Position[t, 1]] (* A101176 *)

%Y Cf. A191160, A101176.

%K nonn

%O 1

%A _Clark Kimberling_, May 27 2011

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Last modified February 7 01:07 EST 2023. Contains 360111 sequences. (Running on oeis4.)