A327206 Positions of 0's in {A327205(n) : n > 0}.

1, 3, 5, 6, 8, 11, 13, 15, 17, 18, 20, 23, 25, 27, 29, 30, 32, 34, 35, 37, 40, 42, 44, 46, 47, 49, 52, 54, 56, 58, 59, 61, 64, 66, 69, 71, 73, 75, 76, 78, 81, 83, 85, 87, 88, 90, 93, 95, 97, 99, 100, 102, 104, 105, 107, 110, 112, 114, 116, 117, 119, 122, 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 A327205(k) = 0. - Jianing Song, Sep 30 2019

Links

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

Mathematica

r = Sqrt[2]; z = 200;
t = Table[Floor[(2 n + 2)*r] - Floor[n*r + 2 r] - Floor[n*r], {n, 1, z}]  (* {A327205(n) : n > 0} *)
Flatten[Position[t, 0]] (* A327206 *)
Flatten[Position[t, 1]] (* A327207 *)

Crossrefs

Cf. A327205, A327207 (complement).

Sequence in context: A154111 A047444 A279933 * A212439 A160734 A121501

Adjacent sequences: A327203 A327204 A327205 * A327207 A327208 A327209

Keyword

nonn,easy

Author

Clark Kimberling, Aug 26 2019

Extensions

Corrected by Jianing Song, Sep 30 2019

Status

approved