%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
