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Positions of 1's in {A327211(n) : n > 0}.
3

%I #10 Oct 02 2019 05:42:33

%S 2,4,6,9,11,13,16,18,20,22,23,25,27,29,30,32,34,36,38,41,43,45,48,50,

%T 52,54,55,57,59,61,62,64,66,68,69,71,73,75,77,80,82,84,87,89,91,93,94,

%U 96,98,100,101,103,105,107,109,112,114,116,119,121,123,125

%N Positions of 1's in {A327211(n) : n > 0}.

%C Although a(n)/n->2, the sequence 2*n-a(n) appears to be unbounded below and above.

%C Positive integers k such that A327211(k) = 1. - _Jianing Song_, Sep 30 2019

%H Clark Kimberling and Jianing Song, <a href="/A327213/b327213.txt">Table of n, a(n) for n = 1..10000</a>

%t r = E; z = 200;

%t t = Table[Floor[(2 n + 2)*r] - Floor[n*r + 2 r] - Floor[n*r], {n, 1, z}] (* {A327211(n) : n > 0} *)

%t Flatten[Position[t, 0]] (* A327212 *)

%t Flatten[Position[t, 1]] (* A327213 *)

%Y Cf. A327211, A327212 (complement).

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, Sep 02 2019

%E Corrected by _Jianing Song_, Sep 30 2019