A327179 Positions of 1's in {A327177(n) : n > 0}.

1, 2, 6, 7, 8, 11, 12, 13, 14, 18, 19, 23, 24, 25, 30, 31, 35, 36, 37, 40, 41, 42, 43, 47, 48, 49, 52, 53, 54, 59, 60, 64, 65, 66, 69, 70, 71, 72, 76, 77, 78, 81, 82, 83, 84, 88, 89, 93, 94, 95, 100, 101, 105, 106, 107, 110, 111, 112, 113, 117, 118, 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 A327177(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[2]; z = 200;
t = Table[Floor[(2 n + 1)*r] - Floor[n*r + r] - Floor[n*r], {n, 1, z}] (* {A327177(n) : n > 0} *)
Flatten[Position[t, 0]] (* A327178 *)
Flatten[Position[t, 1]] (* A327179 *)

Crossrefs

Cf. A327177, A327178 (complement).

Sequence in context: A047553 A139418 A190212 * A031198 A338680 A201819

Adjacent sequences: A327176 A327177 A327178 * A327180 A327181 A327182

Keyword

nonn,easy

Author

Clark Kimberling, Aug 25 2019

Extensions

Corrected by Jianing Song, Sep 30 2019

Status

approved