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Positions of 0 in A190431.
5

%I #7 Apr 06 2018 22:24:48

%S 5,13,18,26,34,39,47,60,68,73,81,89,94,102,115,123,128,136,149,157,

%T 162,170,178,183,191,204,212,217,225,233,238,246,251,259,267,272,280,

%U 293,301,306,314,322,327,335,348,356,361,369,382,390,395,403,411,416,424,437,445,450,458,466,471,479,492,500,505,513

%N Positions of 0 in A190431.

%C See A190431.

%H G. C. Greubel, <a href="/A190432/b190432.txt">Table of n, a(n) for n = 1..10000</a>

%t r = GoldenRatio; b = 3; 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}] (* A190431 *)

%t Flatten[Position[t, 0]] (* A190432 *)

%t Flatten[Position[t, 1]] (* A190433 *)

%t Flatten[Position[t, 2]] (* A190434 *)

%t Flatten[Position[t, 3]] (* A190435 *)

%Y Cf. A190431.

%K nonn

%O 1,1

%A _Clark Kimberling_, May 10 2011