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%I #9 Apr 06 2018 22:24:20
%S 5,10,13,18,26,31,34,39,47,52,60,65,68,73,81,86,89,94,99,102,107,115,
%T 120,123,128,136,141,149,154,157,162,170,175,178,183,188,191,196,204,
%U 209,212,217,225,230,233,238,243,246,251,259,264,267,272,280,285,293,298,301,306,314,319
%N Positions of 0 in A190427.
%C See A190427.
%H G. C. Greubel, <a href="/A190428/b190428.txt">Table of n, a(n) for n = 1..10000</a>
%t r = GoldenRatio; b = 2; c = 1;
%t f[n_] := Floor[(b*n + c)*r] - b*Floor[n*r] - Floor[c*r];
%t t = Table[f[n], {n, 1, 320}] (* A190427 *)
%t Flatten[Position[t, 0]] (* A190428 *)
%t Flatten[Position[t, 1]] (* A190429 *)
%t Flatten[Position[t, 2]] (* A190430 *)
%Y Cf. A190427, A190429, A190430.
%K nonn
%O 1,1
%A _Clark Kimberling_, May 10 2011