|
%I #4 Jun 23 2017 08:48:02
%S 3,4,5,6,7,9,10,11,12,14,15,16,21,22,23,24,25,26,27,28,29,31,32,33,34,
%T 35,36,37,38,40,41,42,43,44,45,46,48,49,50,51,52,53,55,56,57,58,59,61,
%U 62,63,64,66,67,68,73,74,75,76,78,79,80,81,82,83,84,85
%N Positions of 1 in A288226; complement of A288227.
%H Clark Kimberling, <a href="/A288228/b288228.txt">Table of n, a(n) for n = 1..10000</a>
%t s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
%t w[n_] := StringReplace[w[n - 1], {"00" -> "1000", "10" -> "011"}]
%t Table[w[n], {n, 0, 8}]
%t st = ToCharacterCode[w[50]] - 48 (* A288226 *)
%t Flatten[Position[st, 0]] (* A288227 *)
%t Flatten[Position[st, 1]] (* A288228 *)
%Y Cf. A288226, A288227.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, Jun 22 2017
|
