%I #10 Apr 10 2021 02:00:38
%S 0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,0,0,1,
%T 1,0,0,1,0,0,1,1,0,0,1,0,0,1,1,0,0,1,0,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,
%U 1,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,0,0,1,1,0,0,1,0,0,1,1,0,0,1,0,0,1,1,0,0,1,1,0,1,1
%N a(n) = [4*n*Pi] - 2*[2*n*Pi], where [ ]=floor.
%t f[n_] := Floor[4 n*Pi] - 2*Floor[2 n*Pi];
%t t = Table[f[n], {n, 1, 220}] (* A191162 *)
%t Flatten[Position[t, 0]] (* A191214 *)
%t Flatten[Position[t, 1]] (* A191215 *)
%Y Cf. A191214, A191215.
%K nonn
%O 1
%A _Clark Kimberling_, May 27 2011