%I #7 Jul 04 2017 18:33:13
%S 2,4,9,14,19,21,26,31,33,38,43,48,50,55,60,62,67,72,74,77,79,84,89,91,
%T 96,101,103,108,113,118,120,125,130,132,137,142,144,147,149,154,159,
%U 161,166,171,173,178,183,188,190,195,200,202,207,212,217,219,224,229,231,236,241,243,248,253,258,260,265,270,272,277,282,287
%N Positions of 3 in A190549.
%C See A190549.
%H G. C. Greubel, <a href="/A190553/b190553.txt">Table of n, a(n) for n = 1..1000</a>
%t r = Sqrt[2]; 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}] (* A190549 *)
%t Flatten[Position[t, 0]] (* A190550 *)
%t Flatten[Position[t, 1]] (* A190551 *)
%t Flatten[Position[t, 2]] (* A190552 *)
%t Flatten[Position[t, 3]] (* A190553 *)
%t Flatten[Position[t, 4]] (* A190554 *)
%Y Cf. A190549.
%K nonn
%O 1,1
%A _Clark Kimberling_, May 12 2011