|
|
A171241
|
|
Numbers k such that A169611(k) = 3.
|
|
1
|
|
|
8, 12, 18, 27, 40, 56, 60, 84, 88, 90, 104, 126, 132, 135, 136, 152, 156, 184, 189, 198, 200, 204, 228, 232, 234, 248, 276, 280, 296, 297, 300, 306, 328, 342, 344, 348, 351, 372, 376, 392, 414, 420, 424, 440, 444, 450, 459, 472, 488, 492, 513, 516, 520, 522
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Numbers of the form k*m where k is in {8, 12, 18, 27} and gcd(m, 6) = 1. - David A. Corneth, Aug 31 2019
The asymptotic density of this sequence is 65/648. - Amiram Eldar, Jan 16 2022
|
|
LINKS
|
|
|
MATHEMATICA
|
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
EXTENSIONS
|
Corrected (200, 232, 280 inserted) and extended by R. J. Mathar, Jun 04 2010
|
|
STATUS
|
approved
|
|
|
|