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 A190566 Positions of 4 in A190561. 21

%I #7 Jul 04 2017 21:19:29

%S 12,24,41,53,70,82,111,123,140,152,181,193,210,222,239,251,280,292,

%T 309,321,350,362,379,391,408,420,432,449,461,478,490,519,531,548,560,

%U 589,601,618,630,647,659,688,700,717,729,758,770,787,799,816,828,840,857,869,886,898,927,939,956,968,997,1009

%N Positions of 4 in A190561.

%C See A190561.

%H G. C. Greubel, <a href="/A190566/b190566.txt">Table of n, a(n) for n = 1..1000</a>

%t r = Sqrt[2]; b = 4; c = 3;

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

%t t = Table[f[n], {n, 1, 200}] (* A190561 *)

%t Flatten[Position[t, 0]] (* A190562 *)

%t Flatten[Position[t, 1]] (* A190563 *)

%t Flatten[Position[t, 2]] (* A190564 *)

%t Flatten[Position[t, 3]] (* A190565 *)

%t Flatten[Position[t, 4]] (* A190566 *)

%Y Cf. A190561.

%K nonn

%O 1,1

%A _Clark Kimberling_, May 12 2011

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