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%I #9 Sep 08 2022 08:45:56
%S 1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,
%T 1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,0,0,1,1,0,1,1,0,0,
%U 1,1,0,1,1,0,0,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,0,0,1,1
%N a(n) = [n*r+k*r] - [n*r] - [k*r], where r=1/sqrt(2), k=5, [ ]=floor.
%C See A187950.
%H G. C. Greubel, <a href="/A188398/b188398.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = [n*r+5*r] - [n*r] - [5*r], where r=1/sqrt(2).
%t r=2^(-1/2); k=5;
%t t=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n,1,220}] (* A188398 *)
%t Flatten[Position[t,0] ] (* A188399 *)
%t Flatten[Position[t,1] ] (* A188265 *)
%o (PARI) for(n=1, 100, print1(floor((n+5)/sqrt(2)) - floor(n/sqrt(2)) - floor(5/sqrt(2)), ", ")) \\ _G. C. Greubel_, Apr 11 2018
%o (Magma) [Floor((n+5)/Sqrt(2)) - Floor(n/Sqrt(2)) - Floor(5/Sqrt(2)): n in [1..100]]; // _G. C. Greubel_, Apr 11 2018
%Y Cf. A187950, A188399, A188265.
%K nonn
%O 1
%A _Clark Kimberling_, Mar 30 2011
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