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 A188257 [nr+kr]-[nr]-[kr], where r=sqrt(5), k=2, [ ]=floor. 4

%I

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

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

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

%N [nr+kr]-[nr]-[kr], where r=sqrt(5), k=2, [ ]=floor.

%C See A187950.

%F a(n)=[nr+2r]-[nr]-[2r], where r=sqrt(5).

%t r=5^(1/2); k=2;

%t seqA=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n,1,220}] (* A188257 *)

%t Flatten[Position[seqA,0] ] (* A188258 *)

%t Flatten[Position[seqA,1] ] (* A188259 *)

%Y Cf. A187950, A188258, A188259.

%K nonn

%O 1

%A _Clark Kimberling_, Mar 25 2011

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Last modified May 18 12:09 EDT 2021. Contains 343995 sequences. (Running on oeis4.)