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 A327223 Positions of 0's in {A327222(k) : n > 0}. 3

%I

%S 1,4,5,6,10,11,13,16,17,18,22,23,25,28,29,30,33,34,35,39,40,42,45,46,

%T 47,51,52,54,57,58,59,63,64,68,69,71,74,75,76,80,81,83,86,87,88,92,93,

%U 95,98,99,100,103,104,105,109,110,112,115,116,117,121,122,124

%N Positions of 0's in {A327222(k) : 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 A327222(k) = 0. - _Jianing Song_, Sep 30 2019

%H Clark Kimberling and Jianing Song, <a href="/A327223/b327223.txt">Table of n, a(n) for n = 1..10000</a>

%t r = Sqrt[2]; z = 300;

%t t = Table[Floor[(2 n + 4) r] - Floor[(n*r + 4 r)] - Floor[n*r], {n, 1, z}] (* {A327222(n) : n > 0} *)

%t Flatten[Position[t, 0]] (* A327223 *)

%t Flatten[Position[t, 1]] (* A327224 *)

%Y Cf. A327222, A327224.

%K nonn,easy

%O 1,2

%A _Clark Kimberling_, Sep 02 2019

%E Corrected by _Jianing Song_, Sep 30 2019

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Last modified September 26 03:14 EDT 2020. Contains 337346 sequences. (Running on oeis4.)