A327218 - OEIS

%I #9 Sep 30 2019 11:00:01

%S 1,3,5,6,8,11,14,16,18,19,21,22,24,27,29,32,35,37,39,40,42,43,45,48,

%T 50,52,53,55,56,58,60,61,63,66,69,71,73,74,76,77,79,82,84,87,90,92,94,

%U 95,97,100,103,105,107,108,110,111,113,115,116,118,121,124

%N Positions of 1's in {A327216(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 A327216(k) = 1. - _Jianing Song_, Sep 30 2019

%H Clark Kimberling and Jianing Song, <a href="/A327218/b327218.txt">Table of n, a(n) for n = 1..10000</a>

%t r = (1+Sqrt[5])/2; z = 200;

%t t = Table[Floor[(2 n + 3) r] - Floor[(n*r + 3 r)] - Floor[n*r], {n, 1, z}]  (* {A327216(n) : n > 0} *)

%t Flatten[Position[t, 0]]  (* A327217 *)

%t Flatten[Position[t, 1]]  (* A327218 *)

%Y Cf. A327216, A327217 (complement).

%K nonn,easy

%O 1,2

%A _Clark Kimberling_, Sep 02 2019

%E Corrected by _Jianing Song_, Sep 30 2019