A327210 Positions of 1's in {A327208(n) : n > 0}.

2, 4, 6, 8, 10, 12, 13, 15, 17, 19, 21, 23, 25, 28, 30, 32, 34, 36, 38, 40, 43, 45, 47, 49, 51, 53, 54, 56, 58, 60, 62, 64, 66, 68, 69, 71, 73, 75, 77, 79, 81, 84, 86, 88, 90, 92, 94, 96, 99, 101, 103, 105, 107, 109, 110, 112, 114, 116, 118, 120, 122, 124, 125

Offset

1,1

Comments

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

Positive integers k such that A327208(k) = 1. - Jianing Song, Sep 30 2019

Links

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

Mathematica

r = Sqrt[3]; z = 200;
t = Table[Floor[(2 n + 2)*r] - Floor[n*r + 2 r] - Floor[n*r], {n, 1, z}]  (* {A327208(n) : n > 0} *)
Flatten[Position[t, 0]] (* A327209 *)
Flatten[Position[t, 1]] (* A327210 *)

Crossrefs

Cf. A327208, A327209 (complement).

Sequence in context: A359496 A356066 A285591 * A376603 A274611 A319808

Adjacent sequences: A327207 A327208 A327209 * A327211 A327212 A327213

Keyword

nonn,easy

Author

Clark Kimberling, Aug 26 2019

Extensions

Corrected by Jianing Song, Sep 30 2019

Status

approved