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A327257
Positions of 0's in {A327256(n) : n > 0}.
4
3, 4, 5, 9, 10, 11, 15, 16, 17, 21, 22, 23, 27, 28, 29, 33, 34, 38, 39, 40, 44, 45, 46, 50, 51, 52, 56, 57, 58, 62, 63, 64, 68, 69, 73, 74, 75, 79, 80, 81, 85, 86, 87, 91, 92, 93, 97, 98, 99, 102, 103, 104, 108, 109, 110, 114, 115, 116, 120, 121, 122
OFFSET
1,1
COMMENTS
Although a(n)/n->2, the sequence a(n)-2n appears to be unbounded.
Positive integers k such that A327256(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[8]; z = 300;
t = Table[Floor[2 n r] - 2 Floor[n*r], {n, 1, z}] (* {A327256(n) : n > 0} *)
Flatten[Position[t, 0]] (* A327257 *)
Flatten[Position[t, 1]] (* A327258 *)
CROSSREFS
Cf. A327256, A327258 (complement).
Sequence in context: A329781 A139531 A047249 * A228941 A236211 A279616
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Sep 03 2019
EXTENSIONS
Corrected by Jianing Song, Sep 29 2019
STATUS
approved