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A187948 [nr+kr]-[nr]-[kr], where r=(1+sqrt(5))/2, k=6, [ ]=floor. 3

%I #6 Jan 10 2013 17:14:52

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

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

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

%N [nr+kr]-[nr]-[kr], where r=(1+sqrt(5))/2, k=6, [ ]=floor.

%C See A187950.

%F a(n)=[nr+6r]-[nr]-9, where r=(1+sqrt(5))/2.

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

%t seqA=Table[Floor[(n+6)r]-Floor[n*r]-9, {n,1,220}] (* A187948 *)

%t Flatten[Position[seqA,0] ] (* A187949 *)

%t Flatten[Position[seqA,1] ] (* A187953 *)

%t f[n_]:=Module[{a=GoldenRatio*n,b=GoldenRatio*6},Floor[a+b]-Floor[a]-Floor[b]]; Array[f,130] (* _Harvey P. Dale_, Jan 10 2013 *)

%Y Cf. A187950, A187949, A187953.

%K nonn

%O 1

%A _Clark Kimberling_, Mar 16 2011

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Last modified April 23 10:21 EDT 2024. Contains 371905 sequences. (Running on oeis4.)