A327218 Positions of 1's in {A327216(n) : n > 0}.

1, 3, 5, 6, 8, 11, 14, 16, 18, 19, 21, 22, 24, 27, 29, 32, 35, 37, 39, 40, 42, 43, 45, 48, 50, 52, 53, 55, 56, 58, 60, 61, 63, 66, 69, 71, 73, 74, 76, 77, 79, 82, 84, 87, 90, 92, 94, 95, 97, 100, 103, 105, 107, 108, 110, 111, 113, 115, 116, 118, 121, 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 A327216(k) = 1. - 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 + 3) r] - Floor[(n*r + 3 r)] - Floor[n*r], {n, 1, z}]  (* {A327216(n) : n > 0} *)
Flatten[Position[t, 0]]  (* A327217 *)
Flatten[Position[t, 1]]  (* A327218 *)

Crossrefs

Cf. A327216, A327217 (complement).

Sequence in context: A212439 A160734 A121501 * A062832 A089085 A033163

Adjacent sequences: A327215 A327216 A327217 * A327219 A327220 A327221

Keyword

nonn,easy

Author

Clark Kimberling, Sep 02 2019

Extensions

Corrected by Jianing Song, Sep 30 2019

Status

approved