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A327254 Positions of 0's in {A327253(n) : n > 0}. 4

%I #17 Sep 30 2019 10:46:27

%S 1,3,5,7,9,10,12,14,16,18,21,23,25,27,29,30,32,34,36,38,41,43,45,47,

%T 49,50,52,54,56,58,61,63,65,67,69,70,72,74,76,78,81,83,85,87,89,90,92,

%U 94,96,98,99,101,103,105,107,110,112,114,116,118,119,121,123,125

%N Positions of 0's in {A327253(n) : n > 0}.

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

%C Positive integers k such that A327253(k) = 0. - _Jianing Song_, Sep 30 2019

%H Clark Kimberling and Jianing Song, <a href="/A327254/b327254.txt">Table of n, a(n) for n = 1..10000</a>

%t r = Sqrt[6]; z = 300;

%t t = Table[Floor[2 n r] - 2 Floor[n*r], {n, 1, z}] (* {A327253(n) : n > 0} *)

%t Flatten[Position[t, 0]] (* A327254 *)

%t Flatten[Position[t, 1]] (* A327255 *)

%Y Cf. A327253, A327255 (complement).

%K nonn,easy

%O 1,2

%A _Clark Kimberling_, Sep 03 2019

%E Corrected by _Jianing Song_, Sep 30 2019

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Last modified May 23 13:40 EDT 2024. Contains 372763 sequences. (Running on oeis4.)