A327175 Positions of 0's in {A327174(n) : n > 0}.

1, 4, 5, 9, 10, 12, 13, 14, 17, 18, 22, 25, 26, 27, 30, 31, 33, 34, 35, 38, 39, 43, 46, 47, 48, 51, 52, 56, 59, 60, 64, 65, 67, 68, 69, 72, 73, 77, 80, 81, 82, 85, 86, 88, 89, 90, 93, 94, 98, 99, 101, 102, 103, 106, 107, 111, 114, 115, 119, 120, 122, 123, 124

Offset

1,2

Comments

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

Positive integers k such that A327174(k) = 0. - Jianing Song, Sep 30 2019

Links

Clark Kimberling and Jianing Song, Table of n, a(n) for n = 1..10000

Mathematica

r = (1 + Sqrt[5])/2; z = 200;
t = Table[Floor[(2 n + 1)*r] - Floor[n*r + r] - Floor[n*r], {n, 1, z}] (* {A327174(n) : n > 0} *)
Flatten[Position[t, 0]] (* A327175 *)
Flatten[Position[t, 1]] (* A327176 *)

Crossrefs

Cf. A327174, A327176 (complement).

Sequence in context: A209887 A064801 A109825 * A193259 A008935 A003995

Adjacent sequences: A327172 A327173 A327174 * A327176 A327177 A327178

Keyword

nonn,easy

Author

Clark Kimberling, Aug 25 2019

Extensions

Corrected by Jianing Song, Sep 30 2019

Status

approved