A190229 - OEIS

%I #10 Dec 28 2017 03:40:58

%S 1,3,6,8,11,13,16,17,18,21,22,23,27,28,32,33,34,37,38,39,42,43,44,48,

%T 49,51,53,54,56,58,59,61,64,66,69,71,74,76,79,81,84,85,86,90,91,95,96,

%U 100,101,102,105,106,107,110,111,112,116,117,119,121,122,124,127,129,131,132,134,137,139,142,144,147,148,149,152,153,154,158,159

%N Positions of 1 in A190227; complement of A190228.

%H G. C. Greubel, <a href="/A190229/b190229.txt">Table of n, a(n) for n = 1..5500</a>

%t u = Sin[Pi/5]; v = Cos[Pi/5];

%t f[n_] := Floor[n*u + n*v] - Floor[n*u] - Floor[n*v]

%t t = Table[f[n], {n, 1, 120}] (* A190227 *)

%t Flatten[Position[t, 0]]      (* A190228 *)

%t Flatten[Position[t, 1]]      (* A190229 *)

%Y Cf. A190227, A190228.

%K nonn

%O 1,2

%A _Clark Kimberling_, May 06 2011