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A327178 Positions of 0's in {A327177(n) : n > 0}. 3
3, 4, 5, 9, 10, 15, 16, 17, 20, 21, 22, 26, 27, 28, 29, 32, 33, 34, 38, 39, 44, 45, 46, 50, 51, 55, 56, 57, 58, 61, 62, 63, 67, 68, 73, 74, 75, 79, 80, 85, 86, 87, 90, 91, 92, 96, 97, 98, 99, 102, 103, 104, 108, 109, 114, 115, 116, 119, 120, 121, 125 (list; graph; refs; listen; history; text; internal format)
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 A327177(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 + 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, A327179 (complement).
Sequence in context: A279616 A050068 A250444 * A190211 A136120 A217040
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Aug 25 2019
EXTENSIONS
Corrected by Jianing Song, Sep 30 2019
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)