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%I #7 Dec 27 2017 01:38:19
%S 1,2,6,7,9,12,13,14,18,19,21,24,25,26,30,31,33,35,36,38,41,42,43,47,
%T 48,50,53,54,55,59,60,62,65,66,67,70,71,72,76,77,79,82,83,84,88,89,91,
%U 94,95,96,100,101,105,106,108,111,112,113,117,118,120,123,124,125,129,130,132,135,137,140,141,142,146,147,149,152,153,154,158
%N Positions of 1 in A190245; complement of A190246.
%H G. C. Greubel, <a href="/A190247/b190247.txt">Table of n, a(n) for n = 1..5500</a>
%t u = 2^(1/2); v = 2u;
%t f[n_] := Floor[n*u + n*v] - Floor[n*u] - Floor[n*v]
%t t = Table[f[n], {n, 1, 120}] (*A190245*)
%t Flatten[Position[t, 0]] (*A190246*)
%t Flatten[Position[t, 1]] (*A190247*)
%Y Cf. A190245, A190246.
%K nonn
%O 1,2
%A _Clark Kimberling_, May 06 2011
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