%I #6 Aug 18 2015 15:40:14

%S 2,3,5,6,8,10,11,13,14,16,18,19,21,22,24,26,27,29,30,34,35,37,38,40,

%T 42,43,45,46,48,50,51,53,54,56,58,59,61,62,64,66,67,69,70,72,74,75,77,

%U 78,80,82,83,85,86,88,90,91,93,94,98,99,101,102,104,106,107

%N Positions of 1 in the infinite palindromic word at A260394.

%C Complement of A260395, the positions of 0. See A260390 for a guide to related sequences.

%H Clark Kimberling, <a href="/A260396/b260396.txt">Table of n, a(n) for n = 1..10000</a>

%t u[1] = {0, 1, 1}; m[1] = {u[1][[1]]};

%t u[n_] := u[n] = Join[u[n - 1], m[n - 1], Reverse[u[n - 1]]];

%t m[k_] := {u[k][[k]]}; v = u[6] (* A260394 *)

%t Table[Length[u[n]], {n, 1, 20}] (* A000225 *)

%t Flatten[Position[u[8], 0]] (* A260395 *)

%t Flatten[Position[u[8], 1]] (* A260396 *)

%Y Cf. A260390, A260394, A260395.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, Aug 13 2015