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A190547 Positions of 2 in A190544. 6

%I

%S 4,9,11,16,21,23,28,33,38,40,45,50,52,57,62,64,69,74,79,81,86,91,93,

%T 98,103,108,110,115,120,122,127,132,134,137,139,144,149,151,156,161,

%U 163,168,173,178,180,185,190,192,197,202,207,209,214,219,221,226,231,233,238,243,248,250,255,260,262,267,272,277,279,284,289,291

%N Positions of 2 in A190544.

%C See A190544.

%H G. C. Greubel, <a href="/A190547/b190547.txt">Table of n, a(n) for n = 1..1000</a>

%t r = Sqrt[2]; b = 4; c = 0;

%t f[n_] := Floor[(b*n + c)*r] - b*Floor[n*r] - Floor[c*r];

%t t = Table[f[n], {n, 1, 200}] (* A190544 *)

%t Flatten[Position[t, 0]] (* A190545 *)

%t Flatten[Position[t, 1]] (* A190546 *)

%t Flatten[Position[t, 2]] (* A190547 *)

%t Flatten[Position[t, 3]] (* A190548 *)

%Y Cf. A190544.

%K nonn

%O 1,1

%A _Clark Kimberling_, May 12 2011

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Last modified September 22 14:32 EDT 2021. Contains 347607 sequences. (Running on oeis4.)