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Positions of 4 in A190698.
6

%I #7 Jul 04 2017 18:30:43

%S 4,8,15,19,23,30,34,38,45,49,56,60,64,71,75,79,86,90,101,105,112,116,

%T 120,127,131,135,142,146,157,161,168,172,176,183,187,191,198,202,209,

%U 213,217,224,228,232,239,243,254,258,265,269,273,280,284,288,295,299,310,314,321,325,329,336,340,344,351,355,366,370,377,381,385

%N Positions of 4 in A190698.

%C See A190698.

%H G. C. Greubel, <a href="/A190703/b190703.txt">Table of n, a(n) for n = 1..1000</a>

%t r = Sqrt[3]; b = 4; c = 1;

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

%t t = Table[f[n], {n, 1, 200}] (* A190698 *)

%t Flatten[Position[t, 0]] (* A190699 *)

%t Flatten[Position[t, 1]] (* A190700 *)

%t Flatten[Position[t, 2]] (* A190701 *)

%t Flatten[Position[t, 3]] (* A190702 *)

%t Flatten[Position[t, 4]] (* A190703 *)

%Y Cf. A190698.

%K nonn

%O 1,1

%A _Clark Kimberling_, May 17 2011