This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A190429 #10 Apr 09 2018 02:55:52
%S A190429 1,2,4,7,9,12,14,15,17,20,22,23,25,27,28,30,33,35,36,38,41,43,44,46,
%T A190429 48,49,51,54,56,57,59,62,64,67,69,70,72,75,77,78,80,82,83,85,88,90,91,
%U A190429 93,96,98,101,103,104,106,109,111,112,114,117,119,122,124,125,127,130,132,133,135,137,138,140,143,145,146,148,151,153,156,158
%N A190429 Positions of 1 in A190427.
%C A190429 See A190427.
%H A190429 G. C. Greubel, <a href="/A190429/b190429.txt">Table of n, a(n) for n = 1..10000</a>
%t A190429 r = GoldenRatio; b = 2; c = 1;
%t A190429 f[n_] := Floor[(b*n + c)*r] - b*Floor[n*r] - Floor[c*r];
%t A190429 t = Table[f[n], {n, 1, 320}] (* A190427 *)
%t A190429 Flatten[Position[t, 0]] (* A190428 *)
%t A190429 Flatten[Position[t, 1]] (* A190429 *)
%t A190429 Flatten[Position[t, 2]] (* A190430 *)
%Y A190429 Cf. A190427, A190428, A190430.
%K A190429 nonn
%O A190429 1,2
%A A190429 _Clark Kimberling_, May 10 2011